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Alibrandi A, Zirilli A, Le Donne M, Giannetto C, Lanfranchi M, De Pascale A, Politi C, Incognito GG, Ercoli A, Granese R. Association between Fish Consumption during Pregnancy and Maternal and Neonatal Outcomes: A Statistical Study in Southern Italy. J Clin Med 2024; 13:2131. [PMID: 38610896 PMCID: PMC11012849 DOI: 10.3390/jcm13072131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/21/2024] [Accepted: 03/24/2024] [Indexed: 04/14/2024] Open
Abstract
Background: This research aimed to evaluate the association between the monthly consumption of fish (differentiated by type) and both gestational and neonatal outcomes. Methods: Women who were admitted for delivery in the last 6 months of 2023 were prospectively included and divided according to type of fish consumed (based on DHA and mercury content) and frequency of consumption. Neonatal outcomes included weight, length, head circumference, and 1st and 5th minute Apgar scores. Maternal outcomes were threats of abortion, preterm birth, gestational diabetes and hypertension, cesarean section, and differential body mass index (BMI). Results: Small-size oily fish with high DHA and low mercury content (type B fish) consumption was positively associated with neonatal weight and head circumference, and less weight gain in pregnancy. It was also significantly associated with lower incidences of gestational diabetes and hypertension, and cesarean section. Correlation between differential BMI and monthly consumption of fish resulted in statistical significance, especially in type B fish consumers. Conclusions: The consumption of type B fish was significantly associated with increased neonatal weight and head circumference and better maternal outcomes.
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Affiliation(s)
- Angela Alibrandi
- Department of Economics, University of Messina, 98100 Messina, Italy; (A.A.); (A.Z.); (C.G.); (M.L.); (A.D.P.)
| | - Agata Zirilli
- Department of Economics, University of Messina, 98100 Messina, Italy; (A.A.); (A.Z.); (C.G.); (M.L.); (A.D.P.)
| | - Maria Le Donne
- Unit of Gynecology and Obstetrics, Department of Human Pathology of Adults and Developmental Age, “G. Martino” University Hospital, 98100 Messina, Italy; (M.L.D.); (C.P.); (A.E.)
| | - Carlo Giannetto
- Department of Economics, University of Messina, 98100 Messina, Italy; (A.A.); (A.Z.); (C.G.); (M.L.); (A.D.P.)
| | - Maurizio Lanfranchi
- Department of Economics, University of Messina, 98100 Messina, Italy; (A.A.); (A.Z.); (C.G.); (M.L.); (A.D.P.)
| | - Angelina De Pascale
- Department of Economics, University of Messina, 98100 Messina, Italy; (A.A.); (A.Z.); (C.G.); (M.L.); (A.D.P.)
| | - Chiara Politi
- Unit of Gynecology and Obstetrics, Department of Human Pathology of Adults and Developmental Age, “G. Martino” University Hospital, 98100 Messina, Italy; (M.L.D.); (C.P.); (A.E.)
| | - Giosuè Giordano Incognito
- Department of General Surgery and Medical Surgical Specialties, University of Catania, 95123 Catania, Italy;
| | - Alfredo Ercoli
- Unit of Gynecology and Obstetrics, Department of Human Pathology of Adults and Developmental Age, “G. Martino” University Hospital, 98100 Messina, Italy; (M.L.D.); (C.P.); (A.E.)
| | - Roberta Granese
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, “G. Martino” University Hospital, 98100 Messina, Italy
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Ishitsuka K, Tsuji M, Yamamoto M, Tanaka R, Suga R, Kuwamura M, Sakuragi T, Shimono M, Kusuhara K. Association between maternal fish consumption during pregnancy and preterm births: the Japan Environment and Children's Study. Environ Health Prev Med 2023; 28:47. [PMID: 37648522 PMCID: PMC10480610 DOI: 10.1265/ehpm.23-00084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 06/30/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND Fish are a rich source of essential nutrients that protect against preterm birth. However, as fish can absorb environmental pollutants, their consumption can also increase the risk of preterm birth. This study aimed to assess whether maternal fish consumption during pregnancy is associated with preterm birth in a nationwide large Japanese cohort that consumed relatively high amounts and many types of fish. METHODS This study included 81,428 mother-child pairs enrolled in a nationwide prospective Japanese birth cohort study. Fish consumption was assessed using a validated food frequency questionnaire. Multivariate logistic regression was used to investigate the association of total consumption of fish, fatty fish and lean fish, fish paste, and seafood and clams with preterm birth, adjusted for potential confounders. RESULTS There was no association between overall fish consumption and preterm births. However, the highest quintile of fish paste consumption was significantly associated with an increased risk of preterm birth (odds ratio [OR]: 1.11; 95% confidence interval [CI: 1.04, 1.17]). The consumption of baked fish paste at least three times per week was significantly associated with preterm birth (OR: 1.20; 95% CI: 1.03, 1.40). Consumption of other types of fish, except fish paste, was not significantly associated with preterm birth risk. CONCLUSIONS Fish paste consumption may increase the risk of preterm birth. Further studies are required to confirm this association.
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Affiliation(s)
- Kazue Ishitsuka
- Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
- Departiment of Social Medicine, National Center for Child Health and Development, Tokyo, Japan
| | - Mayumi Tsuji
- Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
- Regional Center for Japan Environment and Children’s Study, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Megumi Yamamoto
- Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
- Department of Environment and Public Health, National Institute for Minamata Disease, Minamata, Japan
| | - Rie Tanaka
- Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
| | - Reiko Suga
- Regional Center for Japan Environment and Children’s Study, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Mami Kuwamura
- Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Toshihide Sakuragi
- Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
| | - Masayuki Shimono
- Regional Center for Japan Environment and Children’s Study, University of Occupational and Environmental Health, Kitakyushu, Japan
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Koichi Kusuhara
- Regional Center for Japan Environment and Children’s Study, University of Occupational and Environmental Health, Kitakyushu, Japan
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - the Japan Environment and Children’s Study Group
- Department of Environmental Health, School of Medicine, University of Occupational and Environmental Health
- Departiment of Social Medicine, National Center for Child Health and Development, Tokyo, Japan
- Department of Environment and Public Health, National Institute for Minamata Disease, Minamata, Japan
- Regional Center for Japan Environment and Children’s Study, University of Occupational and Environmental Health, Kitakyushu, Japan
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
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Tillaut H, Monfort C, Giton F, Warembourg C, Rouget F, Cordier S, Lainé F, Gaudreau E, Garlantézec R, Saint-Amour D, Chevrier C. Persistent Organic Pollutant Exposure and Thyroid Function among 12-Year-Old Children. Neuroendocrinology 2022; 113:1232-1247. [PMID: 36502793 PMCID: PMC10906475 DOI: 10.1159/000528631] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 11/17/2022] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Polychlorobiphenyls (PCBs), organochlorine pesticides (OCPs), and per- and polyfluoroalkyl substances (PFASs) are persistent organic pollutants (POPs) having numerous toxicological properties, including thyroid endocrine disruption. Our aim was to assess the impact of POPs on thyroid hormones among 12-year-old children, while taking puberty into consideration. METHODS Exposure to 7 PCBs, 4 OCPs, and 6 PFASs (in µg/L), and free tri-iodothyronine (fT3, pg/mL), free thyroxine (fT4, ng/dL), and thyroid-stimulating hormones (TSH, mIU/L) were assessed through blood-serum measurements at age 12 years in 249 boys and 227 girls of the PELAGIE mother-child cohort (France). Pubertal status was clinically rated using the Tanner stages. For each POP, associations were estimated using linear regression, adjusted for potential confounders. RESULTS Among boys, hexachlorobenzene and perfluorodecanoic acid were associated with decreased fT3 (log-scale; β [95% confidence interval] = -0.07 [-0.12,-0.02] and β = -0.03 [-0.06,-0.00], respectively). Intermediate levels of perfluorohexanesulfonic acid (PFHxS) and PCB180 were associated, respectively, with increased and decreased fT4. After stratification on pubertal status, PCBs and OCPs were associated with decreased TSH only in the more advanced Tanner stages (3-5) and with decreased fT3 among early Tanner stages (1-2). Among girls, PFHxS was associated with decreased TSH (log-scale; β = -0.15 [-0.29,-0.00]), and perfluorooctanoic acid was associated with decreased fT3 (β2nd_tercile = -0.06 [-0.10,-0.03] and β3rd_tercile = -0.04 [-0.08,-0.00], versus. 1st tercile). DISCUSSION This cross-sectional study highlights associations between some POPs and thyroid function disruption, which appears consistent with the literature. Considering that the associations were sex-specific and moderated by pubertal status in boys, complex endocrine interactions are likely involved.
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Affiliation(s)
- Hélène Tillaut
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
| | - Christine Monfort
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
| | - Frank Giton
- AP-HP, Pôle Biologie-Pathologie Henri Mondor, Créteil, France
- Inserm IMRB, Faculté de Santé, Créteil, France
| | - Charline Warembourg
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
| | - Florence Rouget
- Univ Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
| | - Sylvaine Cordier
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France
| | | | - Eric Gaudreau
- Centre de Toxicologie du Québec (CTQ), Institut national de santé publique du Québec (INSPQ), Quebec, Québec, Canada
| | | | - Dave Saint-Amour
- Département de Psychologie, Université du Québec à Montréal, Montréal, Québec, Canada
- Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine, Montréal, Québec, Canada
| | - Cécile Chevrier
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, Rennes, France,
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Maternal fish and shellfish consumption and preterm birth: a retrospective study in urban China. Br J Nutr 2022; 128:684-692. [PMID: 34558400 DOI: 10.1017/s0007114521003858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Preterm birth is the leading cause of perinatal mortality and morbidity. Some prospective cohort studies suggested that fish and shellfish consumption may affect the incidence of preterm birth. However, conflicting evidence exists on the relationship between fish and shellfish consumption and preterm birth. A total of 10 179 women from Gansu province were interviewed after delivery to collect information on their past intake of fish and shellfish using FFQ. Logistic regression models were used to estimate OR and 95 % CI to examine the association between fish and shellfish consumption and preterm birth and its clinical subtypes. Fish and shellfish consumption was associated with reduced risk of preterm birth (OR = 0·65, 95 % CI 0·56, 0·77). Increasing frequency of fish and shellfish consumption, compared with no fish and shellfish consumption, was associated with decreasing odds of preterm birth. Besides, increasing weekly total amount of fish and shellfish consumption, compared with no fish and shellfish consumption, was also associated with decreasing odds of preterm birth. Significant trend effect was also seen between fish and shellfish consumption and very preterm birth (Pfor trend = 0·001) and spontaneous preterm birth (Pfor trend = 0·003). Interaction was observed between total fish and shellfish consumption with maternal age (Pfor interaction = 0·041) and pre-pregnancy BMI underweight (Pfor interaction = 0·012). Our findings showed that maternal fish and shellfish consumption was associated with lower incidence of preterm birth.We recommend for the national guideline of ≥350 g/week of fish and shellfish consumption among pregnant women.
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Yang W, Han N, Jiao M, Chang X, Liu J, Zhou Q, Wang HJ. Maternal diet quality during pregnancy and its influence on low birth weight and small for gestational age: a birth cohort in Beijing, China. Br J Nutr 2022; 129:1-10. [PMID: 35249563 DOI: 10.1017/s0007114522000708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This study aimed to describe diet quality of pregnant women and explore the association between maternal diet and the prevalence of low birth weight (LBW) and small for gestational age (SGA). A total of 3856 participants from a birth cohort in Beijing, China, were recruited between June 2018 and February 2019. Maternal diet in the first and second trimesters was assessed by the Chinese diet balance index for pregnancy (DBI-P), using data collected by the inconsecutive 2-d 24-h dietary recalls. Logistic regressions were performed to explore the independent effects of DBI-P components on LBW and SGA. The prevalence of LBW and SGA was 3·8% and 6·0%, respectively. Dietary intakes of the participants were imbalanced. The proportions of participants having insufficient intake of vegetables (87·3% and 86·6%), dairy product (95·9% and 96·7%) and aquatic foods (80·5% and 85·3%) were high in both trimesters. The insufficiency of fruit intake was more severe in the second (85·2%) than that in the first trimester (22·5%) (P < 0·05). After adjusting for potential confounders, the intake of fruits and dairy in the second trimester was negatively associated with the risk of LBW (OR = 0·850, 95% CI: 0·723, 0·999) and SGA (OR = 0·885, 95% CI: 0·787, 0.996), respectively. Sufficient consumption of fruits and dairy products in pregnancy may be suggested in order to prevent LBW and SGA.
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Affiliation(s)
- Wangxing Yang
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, People's Republic of China
| | - Na Han
- Tongzhou Maternal and Child Health Care Hospital of Beijing, Beijing, People's Republic of China
| | - Mingyuan Jiao
- Tongzhou Maternal and Child Health Care Hospital of Beijing, Beijing, People's Republic of China
| | - Xinlei Chang
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, People's Republic of China
| | - Jue Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, People's Republic of China
| | - Qianling Zhou
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, People's Republic of China
| | - Hai-Jun Wang
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, People's Republic of China
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6
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Cui Y, Liao M, Xu A, Chen G, Liu J, Yu X, Li S, Ke X, Tan S, Luo Z, Wang Q, Liu Y, Wang D, Zeng F. Association of maternal pre-pregnancy dietary intake with adverse maternal and neonatal outcomes: A systematic review and meta-analysis of prospective studies. Crit Rev Food Sci Nutr 2021:1-22. [PMID: 34666569 DOI: 10.1080/10408398.2021.1989658] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
This study aimed to summarize the evidence regarding the effects of dietary intake before conception on pregnancy outcomes by performing a systematic review and meta-analysis of prospective studies. Electronic databases were searched from inception up to August 2021. Overall, 65 studies involving 831 798 participants were included and 38 studies were quantitatively pooled. With regard to maternal outcomes, pre-pregnancy intake of fried food, fast food, red and processed meat, heme iron and a low-carbohydrate dietary pattern was positively associated with the risk of gestational diabetes mellitus (GDM) (all P < 0.05). However, a high dietary fiber intake and folic acid supplementation were negatively associated with GDM risk (both P < 0.05). With regard to neonatal outcomes, maternal caffeine intake before pregnancy significantly increased the risk of spontaneous abortion, while folic acid supplementation had protective effects on total adverse neonatal outcomes, preterm birth, and small-for-gestational age (SGA, all P < 0.05). However, no significant associations were found between adverse pregnancy outcomes (i.e., GDM and SGA) and the pre-pregnancy dietary intake of sugar-sweetened beverages, potato, fish, and carbohydrates and the Healthy Eating Index. Our study suggests that maintaining a healthy diet before conception has significant beneficial effects on pregnancy outcomes.Supplemental data for this article is available online at https://doi.org/10.1080/10408398.2021.1989658.
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Affiliation(s)
- Yunfeng Cui
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Minqi Liao
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Aihua Xu
- Department of Gynaecology and Obstetrics, Ganzhou Maternal and Child Health Hospital, Ganzhou, China
| | - Gengdong Chen
- Department of Obstetrics, Foshan Institute of Fetal Medicine, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Jun Liu
- Department of Preventive Medicine Laboratory, School of Public Health, Zunyi Medical University, Zunyi, China
| | - Xiaoxuan Yu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Shuna Li
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Xingyao Ke
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Sixian Tan
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Zeyan Luo
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Qian Wang
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
| | - Yanhua Liu
- Department of Nutrition, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Donghong Wang
- Department of Gynaecology and Obstetrics, Affiliated Hospital of Zunyi Medical University, Guizhou, China
| | - Fangfang Zeng
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, China
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7
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Charles MA, Thierry X, Lanoe JL, Bois C, Dufourg MN, Popa R, Cheminat M, Zaros C, Geay B. Cohort Profile: The French national cohort of children (ELFE): birth to 5 years. Int J Epidemiol 2021; 49:368-369j. [PMID: 31747017 PMCID: PMC7266552 DOI: 10.1093/ije/dyz227] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/11/2019] [Indexed: 11/13/2022] Open
Affiliation(s)
- Marie Aline Charles
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France.,French Institute for Medical Research and Health, UMR 1153 Centre for Research in Epidemiology and Statistics Paris University (CRESS), Team Early Life Research on Later Health, Villejuif, France
| | - Xavier Thierry
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France.,French Institute for Demographic Studies, Fertility, Family and Sexuality Research Unit, Paris, France
| | - Jean-Louis Lanoe
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France
| | - Corinne Bois
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France
| | - Marie-Noelle Dufourg
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France
| | - Ruxandra Popa
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France
| | - Marie Cheminat
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France
| | - Cécile Zaros
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France
| | - Bertrand Geay
- French Institute for Demographic Studies (Ined), French Institute for Medical Research and Health (Inserm), French Blood Agency, ELFE Joint Unit, Paris, France.,University Center for Research on Public Policy and Politics (CURAPP), University of Picardy, CNRS, Amiens, France
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Chaudhary N, Yadav SN, Kalra SK, Pathak S, Gupta BK, Shrestha S, Patel M, Satia I, Sadhra S, Bolton CE, Kurmi OP. Prognostic factors associated with small for gestational age babies in a tertiary care hospital of Western Nepal: A cross-sectional study. Health Sci Rep 2021; 4:e250. [PMID: 33614985 PMCID: PMC7883381 DOI: 10.1002/hsr2.250] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 01/07/2021] [Accepted: 01/21/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Small for gestational age (SGA) is common among newborns in low-income countries like Nepal and has higher immediate mortality and morbidities. OBJECTIVES To study the prevalence and prognostic factors of SGA babies in Western Nepal. METHODS A cross-sectional study (November 2016-October 2017) was conducted in a tertiary care hospital in Western Nepal. Socio-demographic, lifestyle factors including diet, and exposures including smoking and household air pollution in mothers who delivered newborns appropriate for gestational age (AGA), SGA and large for gestational age (LGA) were recorded. Logistic regression was carried out to find the odds ratio of prognostic factors after adjusting for potential confounders. RESULTS Out of 4000 delivered babies, 77% (n = 3078) were AGA, 20.3% (n = 813) were SGA and 2.7% (n = 109) were LGA. The proportion of female-SGA was greater in comparison to male-SGA (n = 427, 52.5% vs n = 386, 47.5%). SGA babies were born to mothers who had term, preterm, and postterm delivery in the following proportions 70.1%, 19.3%, and 10.6%, respectively. The average weight gain (mean ± SD) by mothers in AGA pregnancies was 10.3 ± 2.4 kg, whereas in SGA were 9.3 ± 2.4 kg. In addition to low socioeconomic status (OR 1.9, 95% CI 1.1, 3.2), other prognostic factors associated with SGA were lifestyle factors such as low maternal sleep duration (OR 5.1, CI 3.6, 7.4) and monthly or less frequent meat intake (OR 5.0, CI 3.2, 7.8). Besides smoking (OR 8.8, CI 2.1, 36.3), the other major environmental factor associated with SGA was exposure to household air pollution (OR 5.4, 4.1, 6.9) during pregnancy. Similarly, some of the adverse health conditions associated with a significantly higher risk of SGA were anemia, oligohydramnios, and gestational diabetes. CONCLUSIONS SGA is common in Western Nepal and associated with several modifiable prognostic factors.
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Affiliation(s)
- Nagendra Chaudhary
- Department of PediatricsUniversal College of Medical SciencesBhairahawaNepal
| | - Shree Narayan Yadav
- Department of PediatricsUniversal College of Medical SciencesBhairahawaNepal
- Department of PediatricsChitwan Medical CollegeBharatpurNepal
| | - Suresh Kumar Kalra
- Department of PediatricsUniversal College of Medical SciencesBhairahawaNepal
| | - Santosh Pathak
- Department of PediatricsChitwan Medical CollegeBharatpurNepal
| | - Binod Kumar Gupta
- Department of PediatricsUniversal College of Medical SciencesBhairahawaNepal
| | - Sandeep Shrestha
- Department of PediatricsUniversal College of Medical SciencesBhairahawaNepal
| | - Matthew Patel
- The Royal College of Surgeons in IrelandDublinIreland
| | - Imran Satia
- Division of Respirology, Department of MedicineMcMaster UniversityHamiltonOntarioCanada
| | - Steven Sadhra
- Institute of Clinical SciencesCollege of Medical and Dental Sciences, University of BirminghamBirminghamUK
| | - Charlotte Emma Bolton
- NIHR Nottingham Biomedical Research CentreSchool of Medicine, University of NottinghamNottinghamUK
| | - Om Prakash Kurmi
- Division of Respirology, Department of MedicineMcMaster UniversityHamiltonOntarioCanada
- Faculty of Health and Life SciencesUniversity of CoventryCoventryUK
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Leszko M, Keenan-Devlin L, Grobman WA, Smart B, Borders A, Mroczek DK. Is there a relationship between personality traits and fruit and vegetable intake among pregnant women? Health Psychol Open 2020; 7:2055102920974245. [PMID: 33282329 PMCID: PMC7691923 DOI: 10.1177/2055102920974245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Previous studies have shown that certain personality traits such as neuroticism
and conscientiousness influence dietary choices. Pregnancy is a unique period in
a woman’s life during which most women are highly intrinsically and
extrinsically motivated to start a diet rich in fruit and vegetables. Yet, an
adequate consumption of fruits and vegetables remains a challenge for many
women. The present study investigates the relationships between personality
traits and fish, dairy, fruit, and vegetable intake. Data was collected from 602
pregnant women and analyzed using descriptive statistics and hierarchical
regression analyses in order to examine predictive relationships between the
variables of interest. The results demonstrated that high scores in openness to
experience, older maternal age, higher income, and educational attainment were
positively associated with increased fish, vegetable, and fruit intake. These
findings have important implications for interventions that seek to improve
eating behaviors of pregnant women, thereby increasing the health of their
pregnancies.
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10
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Zhao R, Gao Q, Wang S, Yang X, Hao L. The effect of maternal seafood consumption on perinatal outcomes: a systematic review and dose-response meta-analysis. Crit Rev Food Sci Nutr 2020; 61:3504-3517. [DOI: 10.1080/10408398.2020.1802573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Rui Zhao
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety and the Ministry of Education (MOE) Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qin Gao
- Department of Public Health, Jining Medical University, Jining, Shandong, China
| | - Shanshan Wang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety and the Ministry of Education (MOE) Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xuefeng Yang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety and the Ministry of Education (MOE) Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Liping Hao
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety and the Ministry of Education (MOE) Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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11
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Yeates AJ, Zavez A, Thurston SW, McSorley EM, Mulhern MS, Alhamdow A, Engström K, Wahlberg K, Strain JJ, Watson GE, Myers GJ, Davidson PW, Shamlaye CF, Broberg K, van Wijngaarden E. Maternal Long-Chain Polyunsaturated Fatty Acid Status, Methylmercury Exposure, and Birth Outcomes in a High-Fish-Eating Mother-Child Cohort. J Nutr 2020; 150:1749-1756. [PMID: 32433731 PMCID: PMC7330473 DOI: 10.1093/jn/nxaa131] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/06/2020] [Accepted: 04/14/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Maternal status of long-chain PUFAs (LC-PUFAs) may be related to fetal growth. Maternal fish consumption exposes the mother to the neurotoxicant methylmercury (MeHg), which, in contrast, may restrict fetal growth. OBJECTIVE Our aim was to examine relations between maternal LC-PUFA status at 28 wk and birth outcomes (birth weight, length, and head circumference), controlling for MeHg exposure throughout pregnancy, in the Seychelles Child Development Study Nutrition Cohort 2. Our secondary aim was to examine the influence of maternal variation in genes regulating the desaturation of LC-PUFAs [fatty acid desaturase (FADS)] on birth outcomes. METHODS From nonfasting blood samples collected at 28 wk of gestation, we measured serum total LC-PUFA concentrations and FADS1 (rs174537, rs174561), FADS1-FADS2rs3834458, and FADS2rs174575 genotypes, with hair total mercury concentrations assessed at delivery. Data were available for n = 1236 mother-child pairs. Associations of maternal LC-PUFAs, MeHg, and FADS genotype with birth outcomes were assessed by multiple linear regression models, adjusting for child sex, gestational age, maternal age, BMI, alcohol use, socioeconomic status, and parity. RESULTS In our cohort of healthy mothers, neither maternal LC-PUFA status nor MeHg exposure were significant determinants of birth outcomes. However, when compared with major allele homozygotes, mothers who were heterozygous for the minor allele of FADS1 (rs174537 and rs174561, GT compared with TT, β = 0.205, P = 0.03; TC compared with CC, β = 0.203, P = 0.04) and FADS1-FADS2 (rs3834458, Tdel compared with DelDel, β = 0.197, P = 0.04) had infants with a greater head circumference (all P < 0.05). Homozygosity for the minor allele of FADS2 (rs174575) was associated with a greater birth weight (GG compared with CC, β = 0.109, P = 0.04). CONCLUSIONS In our mother-child cohort, neither maternal LC-PUFA status nor MeHg exposure was associated with birth outcomes. The observed associations of variation in maternal FADS genotype with birth outcomes should be confirmed in other populations.
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Affiliation(s)
- Alison Jayne Yeates
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Londonderry, United Kingdom
| | - Alexis Zavez
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Sally W Thurston
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Emeir M McSorley
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Londonderry, United Kingdom
| | - Maria S Mulhern
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Londonderry, United Kingdom
| | - Ayman Alhamdow
- Unit of Metals and Health, Institute of Environmental Medicine, Metals and Health, Karolinska Institute, Stockholm, Sweden
| | - Karin Engström
- Laboratory of Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Karin Wahlberg
- Laboratory of Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - J J Strain
- Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Londonderry, United Kingdom
| | - Gene E Watson
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Gary J Myers
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Philip W Davidson
- School of Medicine and Dentistry, University of Rochester, Rochester, NY, USA
| | - Conrad F Shamlaye
- Child Development Centre, Ministry of Health, Victoria, Mahé, Republic of Seychelles
| | - Karin Broberg
- Unit of Metals and Health, Institute of Environmental Medicine, Metals and Health, Karolinska Institute, Stockholm, Sweden.,Laboratory of Medicine, Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
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12
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Sekovanić A, Piasek M, Orct T, Sulimanec Grgec A, Matek Sarić M, Stasenko S, Jurasović J. Mercury Exposure Assessment in Mother-Infant Pairs from Continental and Coastal Croatia. Biomolecules 2020; 10:biom10060821. [PMID: 32471193 PMCID: PMC7355586 DOI: 10.3390/biom10060821] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 12/31/2022] Open
Abstract
The main source of mercury (Hg) exposure in the general population is fish. Another possible source is dental amalgam. Here, we compare the levels of Hg and selenium (Se) in samples of maternal and fetal origin collected shortly after childbirth of healthy postpartum women in the coastal (n = 96) and continental (n = 185) areas of Croatia related to maternal seafood/fish consumption. We also evaluated Hg concentrations and maternal serum metallothionein (MT2) concentrations in relation to the number of dental amalgam fillings, and MT2A-5A/G (rs28366003) polymorphism. The levels of Hg and Se in maternal hair and blood/serum, placenta and cord blood/serum increased in relation to increasing fish consumption with the highest values in subjects from the coast. The concentrations of each element and between elements correlated across the matrices. Increasing amalgam number correlated linearly with increased Hg levels in maternal and cord serum and was not associated with serum MT2. No association of MT2A-5A/G polymorphism and Hg or Se levels were found. The results confirmed higher fish consumption in coastal vs. continental Croatia and increases of both Hg and Se related to fish consumption in all analyzed samples. Increased blood Hg reflected the predominant MeHg share from seafood, while increased serum Hg matched exposure from dental amalgams.
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Affiliation(s)
- Ankica Sekovanić
- Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (A.S.); (T.O.); (A.S.G.); (J.J.)
| | - Martina Piasek
- Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (A.S.); (T.O.); (A.S.G.); (J.J.)
- Correspondence:
| | - Tatjana Orct
- Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (A.S.); (T.O.); (A.S.G.); (J.J.)
| | - Antonija Sulimanec Grgec
- Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (A.S.); (T.O.); (A.S.G.); (J.J.)
| | | | - Sandra Stasenko
- Clinical Department of Obstetrics and Gynecology, Merkur University Hospital, 10000 Zagreb, Croatia;
| | - Jasna Jurasović
- Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (A.S.); (T.O.); (A.S.G.); (J.J.)
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13
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Astolfi ML, Protano C, Marconi E, Massimi L, Piamonti D, Brunori M, Vitali M, Canepari S. Biomonitoring of Mercury in Hair among a Group of Eritreans (Africa). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17061911. [PMID: 32183479 PMCID: PMC7143335 DOI: 10.3390/ijerph17061911] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 03/11/2020] [Accepted: 03/14/2020] [Indexed: 12/21/2022]
Abstract
Small-scale or artisanal mining, using gold-mercury amalgamation to extract gold from ore, is a significant source of exposure for the workers and nearby populations. Few studies on hair mercury (Hg) have been conducted in Africa despite the fact that Africa has several gold deposits. No studies have been conducted in Eritrea that is one of the emerging gold producing countries in Africa. The aim of the study was to assess the Hg concentration in hair samples (n = 120) of a population living in Asmara, capital of Eritrea, and to evaluate the influence of some factors on the Hg levels in hair. Information on age, height, weight, occupation, smoking and fish consumption of participants were collected via questionnaire. Hair Hg concentration was significantly higher among women compared to men (p < 0.001) and among women preparing spicy products in Medeber market compared to those who did other jobs (p = 0.010). These results highlight the need for routine biomonitoring surveys and for health promotion campaigns devoted to local decision makers and workers.
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Affiliation(s)
- Maria Luisa Astolfi
- Department of Chemistry, Sapienza University, Piazzale Aldo Moro 5, I-00185 Rome, Italy; (L.M.); (S.C.)
- Correspondence: ; Tel.: +39-0649913384
| | - Carmela Protano
- Department of Public Health and Infectious Diseases, Sapienza University, Piazzale Aldo Moro 5, I-00185 Rome, Italy; (C.P.); (E.M.); (M.V.)
| | - Elisabetta Marconi
- Department of Public Health and Infectious Diseases, Sapienza University, Piazzale Aldo Moro 5, I-00185 Rome, Italy; (C.P.); (E.M.); (M.V.)
| | - Lorenzo Massimi
- Department of Chemistry, Sapienza University, Piazzale Aldo Moro 5, I-00185 Rome, Italy; (L.M.); (S.C.)
| | - Daniel Piamonti
- Department of Cardiovascular, Respiratory, Nephrology, Anaesthesiology and Geriatric Science, Sapienza University, Viale del Policlinico 155, I-00161 Rome, Italy; (D.P.); (M.B.)
| | - Marco Brunori
- Department of Cardiovascular, Respiratory, Nephrology, Anaesthesiology and Geriatric Science, Sapienza University, Viale del Policlinico 155, I-00161 Rome, Italy; (D.P.); (M.B.)
| | - Matteo Vitali
- Department of Public Health and Infectious Diseases, Sapienza University, Piazzale Aldo Moro 5, I-00185 Rome, Italy; (C.P.); (E.M.); (M.V.)
| | - Silvia Canepari
- Department of Chemistry, Sapienza University, Piazzale Aldo Moro 5, I-00185 Rome, Italy; (L.M.); (S.C.)
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14
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Nykjaer C, Higgs C, Greenwood DC, Simpson NAB, Cade JE, Alwan NA. Maternal Fatty Fish Intake Prior to and during Pregnancy and Risks of Adverse Birth Outcomes: Findings from a British Cohort. Nutrients 2019; 11:nu11030643. [PMID: 30884831 PMCID: PMC6471030 DOI: 10.3390/nu11030643] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/11/2019] [Accepted: 03/13/2019] [Indexed: 11/16/2022] Open
Abstract
Fish is an important source of the essential fatty acids contributing to foetal growth and development, but the evidence linking maternal fatty fish consumption with birth outcomes is inconsistent. In the UK, pregnant women are recommended to consume no more than two 140 g portions of fatty fish per week. This study aimed to investigate the association between fatty fish consumption before and during pregnancy with preterm birth and size at birth in a prospective birth cohort. Dietary intake data were acquired from a cohort of 1208 pregnant women in Leeds, UK (CARE Study) to assess preconception and trimester-specific fatty fish consumption using questionnaires. Multiple 24-h recalls during pregnancy were used to estimate an average fatty fish portion size. Intake was classified as ≤2, >2 portions/week and no fish categories. Following the exclusion of women taking cod liver oil and/or omega-3 supplements, the associations between fatty fish intake with size at birth and preterm delivery (<37 weeks gestation) were examined in multivariable regression models adjusting for confounders including salivary cotinine as a biomarker of smoking status.. The proportion of women reporting any fatty fish intake decreased throughout pregnancy, with the lowest proportion observed in trimester 3 (43%). Mean intakes amongst consumers were considerably lower than that recommended, with the lowest intake amongst consumers observed in the 1st trimester (106 g/week, 95% CI: 99, 113). This was partly due to small portion sizes when consumed, with the mean portion size of fatty fish being 101 g. After adjusting for confounders, no association was observed between fatty fish intake before or during pregnancy with size at birth and preterm delivery.
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Affiliation(s)
- Camilla Nykjaer
- Nutritional Epidemiology Group, School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK.
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK.
| | - Charlotte Higgs
- Department of Obstetrics and Gynaecology, University of Leeds, Leeds LS2 9JT, UK.
| | - Darren C Greenwood
- Division of Biostatistics, Centre for Epidemiology and Biostatistics, University of Leeds, Leeds LS2 9JT, UK.
| | - Nigel A B Simpson
- Department of Obstetrics and Gynaecology, University of Leeds, Leeds LS2 9JT, UK.
| | - Janet E Cade
- Nutritional Epidemiology Group, School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK.
| | - Nisreen A Alwan
- School of Primary Care and Population Sciences, Faculty of Medicine, University of Southampton, Southampton General Hospital, Southampton SO16 6YD, UK.
- NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton SO16 6YD, UK.
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15
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Fish consumption prior to pregnancy and pregnancy outcomes in the National Birth Defects Prevention Study, 1997-2011. Public Health Nutr 2018; 22:336-343. [PMID: 30326983 DOI: 10.1017/s1368980018002641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE To evaluate the relationships between maternal fish consumption and pregnancy outcomes in a large, population-based sample of women in the USA. DESIGN We collected average fish consumption prior to pregnancy using a modified version of the semi-quantitative Willett FFQ. We estimated adjusted OR (aOR) and 95 % CI for associations between different levels of fish consumption and preterm birth (<37 weeks), early preterm birth (<32 and <35 weeks) and small-for-gestational-age infants (SGA; <10th percentile). SETTING The National Birth Defects Prevention Study (NBDPS). SUBJECTS Control mother-infant pairs with estimated delivery dates between 1997 and 2011 (n 10 919). RESULTS No significant associations were observed between fish consumption and preterm birth or early preterm birth (aOR = 0·7-1·0 and 0·7-0·9, respectively). The odds of having an SGA infant were elevated (aOR = 2·1; 95 % CI 1·2, 3·4) among women with daily fish consumption compared with women consuming fish less than once per month. No associations were observed between other levels of fish consumption and SGA (aOR = 0·8-1·0). CONCLUSIONS High intake of fish was associated with twofold higher odds of having an SGA infant, while moderate fish consumption prior to pregnancy was not associated with preterm or SGA. Our study, like many other studies in this area, lacked information regarding preparation methods and the specific types of fish consumed. Future studies should incorporate information on nutrient and contaminant contents, preparation methods and biomarkers to assess these relationships.
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16
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Amezcua-Prieto C, Martínez-Galiano JM, Salcedo-Bellido I, Olmedo-Requena R, Bueno-Cavanillas A, Delgado-Rodríguez M. Maternal seafood intake and the risk of small for gestational age newborns: a case-control study in Spanish women. BMJ Open 2018; 8:e020424. [PMID: 30121592 PMCID: PMC6104785 DOI: 10.1136/bmjopen-2017-020424] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
OBJECTIVE To investigate the relationship between seafood consumption during pregnancy and the risk of delivering a small for gestational age (SGA) newborn. DESIGN This case-control study included women with SGA newborns and controls matched 1:1 for maternal age (±2 years) and hospital. SETTING Five hospitals in Eastern Andalusia, Spain. PARTICIPANTS 518 pairs of pregnant Spanish women. The SGA group included women who delivered SGA newborns: SGA was defined as a birth weight below the 10th percentile of infants at a given gestational age. Controls were women who delivered newborns with adequate birth weights. INTERVENTIONS We collected data on demographic characteristics, socioeconomic status, toxic habits and diet. Midwives administered a 137-item Food Frequency Questionnaire. OUTCOME MEASURES We calculated quintiles of seafood intake and applied conditional logistic regression to estimate ORs and 95% CIs. RESULTS Shellfish intake more than once/week yielded a significant protective effect against an SGA newborn (OR 0.25, 95% CI 0.08 to 0.76, after adjusting for energy, educational level, smoking, prepregnancy body mass index, weight and a history of preterm or low birthweight newborn). The risk of an SGA newborn was lower among women who consumed >121 g/day fish compared with women who consumed ≤56 g (adjusted OR 0.63, 95% CI 0.41 to 0.98; p=0.025 for a trend). Similarly, the risk of an SGA newborn was lower among women who consumed >1 g/day of marine n-3 polyunsaturated fatty acids compared with those who consumed ≤0.4 g/day (adjusted OR 0.58, 95% CI 0.38 to 0.90; p=0.025 for a trend). CONCLUSION An average seafood intake of at least 121 g/day during pregnancy, equivalent to 3-4 servings/week, reduced the risk of an SGA newborn, compared with an average seafood intake of less than 56 g/day.
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Affiliation(s)
- Carmen Amezcua-Prieto
- Department of Preventive Medicine and Public Health, School of Medicine, University of Granada, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP, Spain), Madrid, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Granada, Spain
| | - Juan Miguel Martínez-Galiano
- CIBER de Epidemiología y Salud Pública (CIBERESP, Spain), Madrid, Spain
- Department of Health Sciences, University of Jaen, Jaén, Spain
| | - Inmaculada Salcedo-Bellido
- Department of Preventive Medicine and Public Health, School of Medicine, University of Granada, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP, Spain), Madrid, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Granada, Spain
| | - Rocío Olmedo-Requena
- Department of Preventive Medicine and Public Health, School of Medicine, University of Granada, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP, Spain), Madrid, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Granada, Spain
| | - Aurora Bueno-Cavanillas
- Department of Preventive Medicine and Public Health, School of Medicine, University of Granada, Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP, Spain), Madrid, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.Granada), Granada, Spain
| | - Miguel Delgado-Rodríguez
- CIBER de Epidemiología y Salud Pública (CIBERESP, Spain), Madrid, Spain
- Department of Health Sciences, University of Jaen, Jaén, Spain
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17
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Strandberg-Larsen K, Poulsen G, Bech BH, Chatzi L, Cordier S, Dale MTG, Fernandez M, Henriksen TB, Jaddoe VW, Kogevinas M, Kruithof CJ, Lindhard MS, Magnus P, Nohr EA, Richiardi L, Rodriguez-Bernal CL, Rouget F, Rusconi F, Vrijheid M, Andersen AMN. Association of light-to-moderate alcohol drinking in pregnancy with preterm birth and birth weight: elucidating bias by pooling data from nine European cohorts. Eur J Epidemiol 2017; 32:751-764. [PMID: 29027084 DOI: 10.1007/s10654-017-0323-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 10/06/2017] [Indexed: 12/31/2022]
Abstract
Women who drink light-to-moderately during pregnancy have been observed to have lower risk of unfavourable pregnancy outcomes than abstainers. This has been suggested to be a result of bias. In a pooled sample, including 193 747 live-born singletons from nine European cohorts, we examined the associations between light-to-moderate drinking and preterm birth, birth weight, and small-for-gestational age in term born children (term SGA). To address potential sources of bias, we compared the associations from the total sample with a sub-sample restricted to first-time pregnant women who conceived within six months of trying, and examined whether the associations varied across calendar time. In the total sample, drinking up to around six drinks per week as compared to abstaining was associated with lower risk of preterm birth, whereas no significant associations were found for birth weight or term SGA. Drinking six or more drinks per week was associated with lower birth weight and higher risk of term SGA, but no increased risk of preterm birth. The analyses restricted to women without reproductive experience revealed similar results. Before 2000 approximately half of pregnant women drank alcohol. This decreased to 39% in 2000-2004, and 14% in 2005-2011. Before 2000, every additional drink was associated with reduced mean birth weight, whereas in 2005-2011, the mean birth weight increased with increasing intake. The period-specific associations between low-to-moderate drinking and birth weight, which also were observed for term SGA, are indicative of bias. It is impossible to distinguish if the bias is attributable to unmeasured confounding, which change over time or cohort heterogeneity.
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Affiliation(s)
- Katrine Strandberg-Larsen
- Section for Social Medicine, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, Postbox 2099, 1014, Copenhagen K, Denmark.
| | - Gry Poulsen
- Section for Social Medicine, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, Postbox 2099, 1014, Copenhagen K, Denmark
| | - Bodil Hammer Bech
- Department of Public Health, Section for Epidemiology, Aarhus University, Aarhus, Denmark
| | - Leda Chatzi
- Department of Social Medicine, Faculty of Medicine, University of Crete, Rethimno, Greece
| | - Sylvaine Cordier
- National Institute of Health and Medical Research (INSERM), U1085-IRSET, University of Rennes, Rennes, France
| | - Maria Teresa Grønning Dale
- Norwegian Institute of Public Health, Oslo, Norway.,Department of Psychology, University of Oslo, Oslo, Norway
| | | | - Tine Brink Henriksen
- Department of Pediatrics, Perinatal Epidemiology Research Unit, Aarhus University Hospital, Aarhus, Denmark
| | - Vincent Wv Jaddoe
- The Generation R Study Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.,Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.,Department of Pediatrics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Manolis Kogevinas
- ISGlobal Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
| | - Claudia J Kruithof
- The Generation R Study Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.,Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | | | - Per Magnus
- Norwegian Institute of Public Health, Oslo, Norway
| | - Ellen Aagaard Nohr
- Research Unit for Gynaecology and Obstetrics, Institute of Clinical Research, University of Southern Denmark, Odense M, Denmark
| | - Lorenzo Richiardi
- Cancer Epidemiology Unit, Department of Medical Sciences, University of Turin and CPO-Piemonte, Turin, Italy
| | - Clara L Rodriguez-Bernal
- FISABIO-Universitat Jaume I-Universitat de València Joint Research Unit of Epidemiology and Environmental Health, València, Spain.,Health Services Research Area, FISABIO Salud Pública.Valencia, Valencia, Spain.,Red de Investigación en Servicios de Salud en Enfermedades Crónicas (REDISSEC), Tenerife, Spain
| | - Florence Rouget
- National Institute of Health and Medical Research (INSERM), U1085-IRSET, University of Rennes, Rennes, France
| | - Franca Rusconi
- Unit of Epidemiology, Meyer Children's University Hospital, Florence, Italy
| | - Martine Vrijheid
- ISGlobal Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain.,University Pompeu Fabra, Barcelona, Spain.,CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Anne-Marie Nybo Andersen
- Section for Social Medicine, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, Postbox 2099, 1014, Copenhagen K, Denmark
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18
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Ruggieri F, Majorani C, Domanico F, Alimonti A. Mercury in Children: Current State on Exposure through Human Biomonitoring Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14050519. [PMID: 28498344 PMCID: PMC5451970 DOI: 10.3390/ijerph14050519] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 04/28/2017] [Accepted: 05/08/2017] [Indexed: 12/30/2022]
Abstract
Mercury (Hg) in children has multiple exposure sources and the toxicity of Hg compounds depends on exposure routes, dose, timing of exposure, and developmental stage (be it prenatal or postnatal). Over the last decades, Hg was widely recognized as a threat to the children’s health and there have been acknowledgements at the international level of the need of a global policy intervention—like the Minamata treaty—aimed at reducing or preventing Hg exposure and protecting the child health. National human biomonitoring (HBM) data has demonstrated that low levels of exposure of Hg are still an important health concern for children, which no one country can solve alone. Although independent HBM surveys have provided the basis for the achievements of exposure mitigation in specific contexts, a new paradigm for a coordinated global monitoring of children’s exposure, aimed at a reliable decision-making tool at global level is yet a great challenge for the next future. The objective of the present review is to describe current HBM studies on Hg exposure in children, taking into account the potential pathways of Hg exposure and the actual Hg exposure levels assessed by different biomarkers.
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Affiliation(s)
- Flavia Ruggieri
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
| | - Costanza Majorani
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
| | - Francesco Domanico
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
| | - Alessandro Alimonti
- Department of Environment and Health, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Rome, Italy.
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19
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Brantsæter AL, Englund-Ögge L, Haugen M, Birgisdottir BE, Knutsen HK, Sengpiel V, Myhre R, Alexander J, Nilsen RM, Jacobsson B, Meltzer HM. Maternal intake of seafood and supplementary long chain n-3 poly-unsaturated fatty acids and preterm delivery. BMC Pregnancy Childbirth 2017; 17:41. [PMID: 28103845 PMCID: PMC5248483 DOI: 10.1186/s12884-017-1225-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 01/12/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Preterm delivery increases the risk of neonatal morbidity and mortality. Studies suggest that maternal diet may affect the prevalence of preterm delivery. The aim of this study was to assess whether maternal intakes of seafood and marine long chain n-3 polyunsaturated fatty acids (LCn-3PUFA) from supplements were associated with preterm delivery. METHODS The study population included 67,007 women from the Norwegian Mother and Child Cohort Study. Maternal food and supplement intakes were assessed by a validated self-reported food frequency questionnaire in mid-pregnancy. Information about gestational duration was obtained from the Medical Birth Registry of Norway. We used Cox regression to estimate hazard ratios (HR) with 95% confidence intervals (CI) for associations between total seafood, lean fish, fatty fish, and LCn-3PUFA intakes and preterm delivery. Preterm was defined as any onset of delivery before gestational week 37, and as spontaneous or iatrogenic deliveries and as preterm delivery at early, moderate, and late preterm gestations. RESULTS Lean fish constituted 56%, fatty fish 34% and shellfish 10% of seafood intake. Any intake of seafood above no/rare intake (>5 g/d) was associated with lower prevalence of preterm delivery. Adjusted HRs were 0.76 (CI: 0.66, 0.88) for 1-2 servings/week (20-40 g/d), 0.72 (CI: 0.62, 0.83) for 2-3 servings/week (40-60 g/d), and 0.72 (CI: 0.61, 0.85) for ≥3 servings/week (>60 g/d), p-trend <0.001. The association was seen for lean fish (p-trend: 0.005) but not for fatty fish (p-trend: 0.411). The intake of supplementary LCn-3PUFA was associated only with lower prevalence of early preterm delivery (before 32 gestational weeks), while increasing intake of LCn-3PUFA from food was associated with lower prevalence of overall preterm delivery (p-trend: 0.002). Any seafood intake above no/rare was associated with lower prevalence of both spontaneous and iatrogenic preterm delivery, and with lower prevalence of late preterm delivery. CONCLUSIONS Any intake of seafood above no/rare consumption was associated with lower prevalence of preterm delivery. The association was stronger for lean than for fatty fish. Intake of supplementary LCn-3PUFA was associated only with early preterm delivery. The findings corroborate the current advice to include fish and seafood as part of a balanced diet during pregnancy.
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Affiliation(s)
- Anne Lise Brantsæter
- Department of Environmental Exposure and Epidemiology, Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, NO-0403, Oslo, Norway.
| | - Linda Englund-Ögge
- Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Margareta Haugen
- Department of Environmental Exposure and Epidemiology, Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, NO-0403, Oslo, Norway
| | - Bryndis Eva Birgisdottir
- Unit for Nutrition Research, Landspitali University Hospital and University of Iceland, Reykjavik, Iceland
| | - Helle Katrine Knutsen
- Department of Environmental Exposure and Epidemiology, Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, NO-0403, Oslo, Norway
| | - Verena Sengpiel
- Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Ronny Myhre
- Department of Genetics and Bioinformatics, Domain of Health Data and Digitalisation, Norwegian Institute of Public Health, Oslo, Norway
| | - Jan Alexander
- Office of the Director-General, Norwegian Institute of Public Health, Oslo, Norway
| | - Roy M Nilsen
- Department of Health and Social Sciences, Bergen University College, Bergen, Norway
| | - Bo Jacobsson
- Department of Genetics and Bioinformatics, Domain of Health Data and Digitalisation, Norwegian Institute of Public Health, Oslo, Norway.,Department of Obstetrics and Gynecology, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
| | - Helle Margrete Meltzer
- Department of Environmental Exposure and Epidemiology, Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, P.O. Box 4404, Nydalen, NO-0403, Oslo, Norway
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A balance of omega-3 and omega-6 polyunsaturated fatty acids is important in pregnancy. JOURNAL OF NUTRITION & INTERMEDIARY METABOLISM 2016. [DOI: 10.1016/j.jnim.2016.04.008] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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Abstract
BACKGROUND A nutrient-rich maternal diet before and during pregnancy is associated with improved fetal health, more appropriate birth weight, and increased rates of maternal and infant survival. Physicians need a better understanding of the role of diet in shaping fetal outcomes. Given this background, we reviewed and summarized articles on maternal nutrition found in MEDLINE since 1981, written in English, and limited to human subjects. FOR THE OFFSPRING Maternal diets high in sugar and fat lead to an increased incidence of metabolic syndrome, diabetes, and cardiovascular disease later in life. Folic acid should be supplemented prior to conception and continued through at least the first 28 days of fetal life to prevent neural tube defects, and vitamin C should be given to women who smoke to lower the incidence of asthma and wheezing in the children. Iodine deficiency is increasing, and iodine should be included in prenatal supplements. If the maternal hemoglobin is 7 g/dL or more, there is no evidence that iron supplementation is needed. Fish intake during pregnancy is protective against atopic outcomes, whereas high-meat diets contribute to elevated adult blood pressure and hypersecretion of cortisol. FOR THE MOTHER Calcium supplementation lowers the risk of preeclampsia and hypertensive disease in pregnancy. CONCLUSIONS Given the limits of our current knowledge, a diet rich in whole grains, fruits, vegetables, and selected fish is desirable for the best outcomes. Diets high in sugar and fat lead to higher rates of diabetes, metabolic syndrome, and cardiovascular disease. Folic acid, iodine, and calcium in all pregnant women and vitamin C in smokers are the only supplements so far shown to be of value for routine use. The physician treating a pregnant woman should be ready to advise a healthy diet for the benefit of the fetus.
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Affiliation(s)
- Richard I. Lowensohn
- *Adjunct Associate Professor, Obstetrics & Gynecology and Medical Informatics & Clinical Epidemiology, †Assistant Professor of Medicine, and ‡Clinical Dietitian Specialist, Center for Women’s Health, Oregon Health & Science University, Portland, OR
| | - Diane D. Stadler
- *Adjunct Associate Professor, Obstetrics & Gynecology and Medical Informatics & Clinical Epidemiology, †Assistant Professor of Medicine, and ‡Clinical Dietitian Specialist, Center for Women’s Health, Oregon Health & Science University, Portland, OR
| | - Christie Naze
- *Adjunct Associate Professor, Obstetrics & Gynecology and Medical Informatics & Clinical Epidemiology, †Assistant Professor of Medicine, and ‡Clinical Dietitian Specialist, Center for Women’s Health, Oregon Health & Science University, Portland, OR
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Wells EM, Herbstman JB, Lin YH, Jarrett J, Verdon CP, Ward C, Caldwell KL, Hibbeln JR, Witter FR, Halden RU, Goldman LR. Cord Blood Methylmercury and Fetal Growth Outcomes in Baltimore Newborns: Potential Confounding and Effect Modification by Omega-3 Fatty Acids, Selenium, and Sex. ENVIRONMENTAL HEALTH PERSPECTIVES 2016; 124:373-9. [PMID: 26115160 PMCID: PMC4786979 DOI: 10.1289/ehp.1408596] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 06/24/2015] [Indexed: 05/22/2023]
Abstract
BACKGROUND Methylmercury (MeHg) may affect fetal growth; however, prior research often lacked assessment of mercury speciation, confounders, and interactions. OBJECTIVE Our objective was to assess the relationship between MeHg and fetal growth as well as the potential for confounding or interaction of this relationship from speciated mercury, fatty acids, selenium, and sex. METHODS This cross-sectional study includes 271 singletons born in Baltimore, Maryland, 2004-2005. Umbilical cord blood was analyzed for speciated mercury, serum omega-3 highly unsaturated fatty acids (n-3 HUFAs), and selenium. Multivariable linear regression models controlled for gestational age, birth weight, maternal age, parity, prepregnancy body mass index, smoking, hypertension, diabetes, selenium, n-3 HUFAs, and inorganic mercury (IHg). RESULTS Geometric mean cord blood MeHg was 0.94 μg/L (95% CI: 0.84, 1.07). In adjusted models for ponderal index, βln(MeHg) = -0.045 (g/cm(3)) × 100 (95% CI: -0.084, -0.005). There was no evidence of a MeHg × sex interaction with ponderal index. Contrastingly, there was evidence of a MeHg × n-3 HUFAs interaction with birth length [among low n-3 HUFAs, βln(MeHg) = 0.40 cm, 95% CI: -0.02, 0.81; among high n-3 HUFAs, βln(MeHg) = -0.15, 95% CI: -0.54, 0.25; p-interaction = 0.048] and head circumference [among low n-3 HUFAs, βln(MeHg) = 0.01 cm, 95% CI: -0.27, 0.29; among high n-3 HUFAs, βln(MeHg) = -0.37, 95% CI: -0.63, -0.10; p-interaction = 0.042]. The association of MeHg with birth weight and ponderal index was affected by n-3 HUFAs, selenium, and IHg. For birth weight, βln(MeHg) without these variables was -16.8 g (95% CI: -75.0, 41.3) versus -29.7 (95% CI: -93.9, 34.6) with all covariates. Corresponding values for ponderal index were -0.030 (g/cm(3)) × 100 (95% CI: -0.065, 0.005) and -0.045 (95% CI: -0.084, -0005). CONCLUSION We observed an association of increased MeHg with decreased ponderal index. There is evidence for interaction between MeHg and n-3 HUFAs; infants with higher MeHg and n-3 HUFAs had lower birth length and head circumference. These results should be verified with additional studies.
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Affiliation(s)
- Ellen M. Wells
- School of Health Sciences, Purdue University, West Lafayette, Indiana, USA
- Address correspondence to E.M. Wells, Purdue University, School of Health Sciences; Hampton Hall of Civil Engineering 1269; 550 Stadium Mall Dr.; West Lafayette, IN 47907 USA. Telephone: (765) 496-3535. E-mail:
| | - Julie B. Herbstman
- Columbia Center for Children’s Environmental Health, Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, New York, USA
| | - Yu Hong Lin
- Laboratory of Membrane Biochemistry and Biophysics, National Institute of Alcohol Abuse and Alcoholism, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, USA
| | - Jeffery Jarrett
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Carl P. Verdon
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Cynthia Ward
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Kathleen L. Caldwell
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Joseph R. Hibbeln
- Laboratory of Membrane Biochemistry and Biophysics, National Institute of Alcohol Abuse and Alcoholism, National Institutes of Health, Department of Health and Human Services, Rockville, Maryland, USA
| | - Frank R. Witter
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Rolf U. Halden
- Center for Environmental Security, Biodesign Institute, Global Security Initiative, Arizona State University, Tempe, Arizona, USA
| | - Lynn R. Goldman
- Department of Environmental and Occupational Health, Milken Institute School of Public Health, George Washington University, Washington, DC, USA
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Le Donne M, Alibrandi A, Vita R, Zanghì D, Triolo O, Benvenga S. Does eating oily fish improve gestational and neonatal outcomes? Findings from a Sicilian study. Women Birth 2016; 29:e50-7. [PMID: 26837604 DOI: 10.1016/j.wombi.2015.12.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2015] [Revised: 12/29/2015] [Accepted: 12/29/2015] [Indexed: 01/14/2023]
Abstract
BACKGROUND Fish is a source of long-chain polyunsaturated n-3 fatty acids, but it may also contain a number of pollutants. METHODS Between April and July 2013, we selected 114 women who gave birth to living babies, and divided them according to type and frequency of the fish consumed. We evaluated both gestational and neonatal outcomes. Docosahexaenoic acid (DHA) supplementation was taken into account. FINDINGS One hundred and four women (91.2%) consumed fish on the average of 4.7 times/month, while 10 (8.8%) did not consume fish at all. Fifty-nine women (51.8%) were taking supplements containing DHA (200mg/day), almost all of whom (n=55) consumed fish. Pregnancy induced hypertension was more frequent in non-fish eaters than in fish eaters (20% vs 4.8%, P=0.056). Consumption of small size oily fish correlated positively with both neonatal weight (r=0.195, P=0.037) and head circumference (r=0.211, P=0.024). In contrast, consumption of lean fish or shellfish correlated negatively with neonatal head circumference (r=0.206, P=0.028, or r=0.192, P=0.041). DISCUSSION These data agree with previous observational studies and reinforce the protective role of small oily fish consumption on preterm birth risk, neonatal weight, length and head circumference. CONCLUSION Small oily fish consumption should be favored over other types of fish.
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Affiliation(s)
- Maria Le Donne
- Department of Pediatrics, Gynecology, Microbiology and Biomedical Sciences, University of Messina School of Medicine, Messina 98125, Italy.
| | | | - Roberto Vita
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Delia Zanghì
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Onofrio Triolo
- Department of Pediatrics, Gynecology, Microbiology and Biomedical Sciences, University of Messina School of Medicine, Messina 98125, Italy
| | - Salvatore Benvenga
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy; Master Program on Childhood, Adolescent and Women's Endocrine Health, University of Messina School of Medicine, Messina, Italy; Interdepartmental Program of Clinical and Molecular Endocrinology & Women's Endocrine Health, University Hospital Policlinico G. Martino, Messina 98125, Italy
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Abstract
OBJECTIVE To investigate associations of maternal periconceptional shellfish, lean fish and fatty fish intake with risk of pregnancy complications. DESIGN In this prospective cohort study, we collected information on intake of seafood subtypes using FFQ. We categorized seafood intake into frequencies of 1 servings/week. We ascertained gestational hypertension, pre-eclampsia, gestational diabetes and preterm birth diagnoses from medical records. Using generalized linear models with a log link, the Poisson family and robust standard errors, we estimated risk ratios and 95 % confidence intervals across seafood intake categories. SETTING The Omega study, a study of risk factors for pregnancy complications among women recruited from prenatal clinics in Washington State, USA, 1996-2008. SUBJECTS The current study included 3279 participants from the Omega study. RESULTS Median (interquartile range) shellfish, lean fish and fatty fish intake was 0·3 (0-0·9), 0·5 (0-1·0) and 0·5 (0·1-1·0) servings/week, respectively. Lean fish intake of >1 servings/week (v. <0·2 servings/month) was associated with a 1·55-fold higher risk of preterm birth (95 % CI 1·04, 2·30) and was not associated with the other pregnancy complications. Higher intake of seafood (total or other subtypes) was not associated with pregnancy complications (separately or combined). CONCLUSIONS Higher intake of lean fish, but not fatty fish or shellfish, was associated with a higher risk of preterm birth; these findings may have significance for preterm birth prevention. Studies of mechanisms and potential contributing factors (including seafood preparation and nutrient/contaminant content) are warranted.
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Miyashita C, Sasaki S, Ikeno T, Araki A, Ito S, Kajiwara J, Todaka T, Hachiya N, Yasutake A, Murata K, Nakajima T, Kishi R. Effects of in utero exposure to polychlorinated biphenyls, methylmercury, and polyunsaturated fatty acids on birth size. THE SCIENCE OF THE TOTAL ENVIRONMENT 2015; 533:256-65. [PMID: 26172592 DOI: 10.1016/j.scitotenv.2015.06.108] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 06/25/2015] [Accepted: 06/25/2015] [Indexed: 05/23/2023]
Abstract
The adverse effects of in utero exposure to polychlorinated biphenyls (PCBs) or methylmercury (MeHg), and the beneficial effects of nutrients from maternal fish intake might have opposing influences on fetal growth. In this study, we assessed the effects of in utero exposure to PCBs and MeHg on birth size in the Japanese population, which is known to have a high frequency of fish consumption. The concentrations of PCBs and polyunsaturated fatty acids in maternal blood, and the total mercury in hair (as a biomarker of MeHg exposure) were measured during pregnancy and at delivery. Maternal intakes of fish (subtypes: fatty and lean) and shellfishes were calculated from a food frequency questionnaire administered at delivery. Newborn anthropometric measurement data were obtained from birth records. The associations between chemical exposures and birth size were analyzed by using multiple regression analysis with adjustment for confounding factors among 367 mother-newborn pairs. The birth weight was 3073±37 g (mean±SD). The incidence of babies small for gestational age (SGA) by weight was 4.9%. The median concentrations of total PCBs and hair mercury were 108 ng/g lipid and 1.41 μg/g, respectively. There was no overall association between mercury concentrations and birth weight, birth length, chest circumference, and head circumference. We observed that the risk of SGA by weight decreased with increasing mercury concentration in regression analyses with adjustment for polyunsaturated fatty acids. Our results suggest that the beneficial effect of essential nutrition may mask the adverse effects of MeHg on birth size. The concentrations of PCBs had no association with birth size.
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Affiliation(s)
- Chihiro Miyashita
- Center for Environmental and Health Sciences, Hokkaido University, North 12 West 7 Kita-ku, Sapporo 060-0812, Japan
| | - Seiko Sasaki
- Department of Public Health Sciences, Hokkaido University Graduate School of Medicine, North 15 West 7 Kita-ku, Sapporo 060-8638, Japan
| | - Tamiko Ikeno
- Center for Environmental and Health Sciences, Hokkaido University, North 12 West 7 Kita-ku, Sapporo 060-0812, Japan
| | - Atsuko Araki
- Center for Environmental and Health Sciences, Hokkaido University, North 12 West 7 Kita-ku, Sapporo 060-0812, Japan
| | - Sachiko Ito
- Center for Environmental and Health Sciences, Hokkaido University, North 12 West 7 Kita-ku, Sapporo 060-0812, Japan
| | - Jumboku Kajiwara
- Fukuoka Institute of Health and Environmental Sciences, Mukaizano 39, Dazaifu 818-0135, Japan
| | - Takashi Todaka
- Kitakyushu Life Science Center, Public Interest Incorporated Foundation, 1-4 Nakabarushinmachi Tobata-ku Kitakyushu-shi, Fukuoka 804-0003, Japan
| | - Noriyuki Hachiya
- Department of Epidemiology, National Institute for Minamata Disease, 4058-18 Hama, Kumamoto 867-0008, Japan
| | - Akira Yasutake
- Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan
| | - Katsuyuki Murata
- Department of Environmental Health Sciences, Akita University, Graduate School of Medicine, Akita 010-8543, Japan
| | - Tamie Nakajima
- Department of Occupational and Environmental Health, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Reiko Kishi
- Center for Environmental and Health Sciences, Hokkaido University, North 12 West 7 Kita-ku, Sapporo 060-0812, Japan.
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Bertin M, Chevrier C, Serrano T, Monfort C, Rouget F, Cordier S, Viel JF. Association between prenatal exposure to traffic-related air pollution and preterm birth in the PELAGIE mother-child cohort, Brittany, France. Does the urban-rural context matter? ENVIRONMENTAL RESEARCH 2015; 142:17-24. [PMID: 26092808 DOI: 10.1016/j.envres.2015.06.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2015] [Revised: 05/29/2015] [Accepted: 06/01/2015] [Indexed: 05/21/2023]
Abstract
INTRODUCTION Evidence has accumulated that exposure to ambient air pollution during pregnancy may influence preterm birth (PTB) in urban settings. Conversely, this relation has barely been investigated in rural areas where individual characteristics (demographic, socioeconomic, and psychosocial factors) and environmental co-exposures may differ. OBJECTIVE We examined the association between prenatal exposure to traffic-related air pollution and PTB among pregnant women from the PELAGIE mother-child cohort (Brittany, France, 2002-2006) living in urban (n=1550) and rural (n=959) settings. METHODS Women's residences were classified as either urban or rural according to the French census bureau rural-urban definitions. Nitrogen dioxide (NO2) concentrations at home addresses were estimated from adjusted land-use regression models as a marker of traffic-related pollution. Associations between NO2 concentrations and PTB were assessed with logistic regression models. RESULTS Prevalence of PTB was similar among women living in urban (3.2%) and in rural (3.5%) settings. More positive socioeconomic characteristics and health behaviors but more single-parent families were observed among urban women. NO2 exposure averaged 20.8±6.6 µg m(-3) for women residing in urban areas and 18.8±5.6 µg m(-3) for their rural counterparts. A statistically significant increased risk of PTB was observed among women exposed to NO2 concentrations ≥16.4 µg m(-3) and residing in urban areas but not among their rural counterparts. DISCUSSION The results of this study, conducted in a region with interspersed urban-rural areas, are in line with previous findings suggesting an increased risk of PTB associated with higher NO2 concentrations for women living in urban areas. The absence of association among their rural counterparts for whom exposure levels were similar suggests that environmental mixtures and psychosocial inequalities might play a role in this heterogeneity.
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Affiliation(s)
- Mélanie Bertin
- INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; EHESP School of Public Health, Sorbonne Paris Cité, Rennes, France
| | - Cécile Chevrier
- INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France
| | - Tania Serrano
- INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; EHESP School of Public Health, Sorbonne Paris Cité, Rennes, France
| | - Christine Monfort
- INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France
| | - Florence Rouget
- INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; Department of Pediatrics, University Hospital, Rennes, France
| | - Sylvaine Cordier
- INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France
| | - Jean-François Viel
- INSERM U1085-IRSET, avenue Professeur Léon Bernard, 35043 Rennes, France; University of Rennes 1, Rennes, France; Department of Epidemiology and Public Health, University Hospital, Rennes, France.
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Mohanty AF, Thompson ML, Burbacher TM, Siscovick DS, Williams MA, Enquobahrie DA. Periconceptional Seafood Intake and Fetal Growth. Paediatr Perinat Epidemiol 2015; 29:376-87. [PMID: 26147526 PMCID: PMC4536156 DOI: 10.1111/ppe.12205] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Previous reports of associations of maternal seafood intake with fetal growth were inconsistent. Further, little is known whether associations differ across seafood subtypes or fetal growth indices. METHODS Among 3141 participants of the Omega study, a pregnancy cohort study, we investigated associations of periconceptional shell, lean, and fatty fish intake with fetal growth indices. We categorised food frequency questionnaire reported seafood intake into frequencies of: <0.2 servings/month, 0.2 servings/month -<0.5 servings/week, 0.5-1 servings/week, and >1 servings/week. We abstracted birthweight, birth length, and head circumference from medical records. Using generalised linear models with a log link, the Poisson family, and robust standard errors, we estimated relative risks and 95% confidence intervals (CI) for low birthweight (LBW, <2500 g) and linear regression models to estimate mean differences for continuous fetal growth indices across seafood intake categories. RESULTS Medians (interquartile range) of shell, lean, and fatty fish intake were 0.3 (0-0.9), 0.5 (0-1.0), and 0.5 (0.1-1.0) servings/week, respectively. Lean fish intake of >1 servings/week (vs. <0.2 servings/month) was associated with a 2.2-fold higher risk of LBW (95% CI 1.2, 4.1). Shellfish intake of >1 servings/week (vs. <0.2 servings/month) was associated with a 0.6 kg/m(3) higher mean ponderal index (95% CI 0.0, 1.2 kg/m(3) ). There was no evidence for associations of total seafood or seafood subtype intake with other fetal growth indices. CONCLUSIONS Higher intakes of lean fish and shellfish were associated with a higher risk of LBW and higher mean ponderal index, respectively. Findings highlight the importance of considerations of seafood subtype in similar investigations.
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Affiliation(s)
- April F Mohanty
- Cardiovascular Health Research Unit, Department of Epidemiology, University of Washington, Seattle, WA
| | | | - Thomas M Burbacher
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA
| | - David S Siscovick
- Cardiovascular Health Research Unit, Department of Epidemiology, University of Washington, Seattle, WA, Department of Medicine, University of Washington, Seattle, WA
| | | | - Daniel A Enquobahrie
- Cardiovascular Health Research Unit, Department of Epidemiology, University of Washington, Seattle, WA, Center for Perinatal Studies, Swedish Medical Center, Seattle, WA
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Bertin M, Viel JF, Monfort C, Cordier S, Chevrier C. Socioeconomic Disparities in Adverse Birth Outcomes in Urban and Rural Contexts: a French Mother-Child Cohort. Paediatr Perinat Epidemiol 2015; 29:426-35. [PMID: 26186278 DOI: 10.1111/ppe.12208] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Although adverse birth outcomes have been associated with neighbourhood deprivation in urban areas, few studies have addressed this issue in rural zones. This study examines whether associations between neighbourhood deprivation and adverse birth outcomes differ in urban and rural contexts, while taking individual characteristics and spatial accessibility of prenatal care (SAPC) into account. METHODS Pregnant women from a French mother-child cohort were recruited from 2002 to 2006 in Brittany. Their residential addresses were geocoded into their census blocks (the finest geographical resolution available). Deprivation was assessed at the same neighbourhood level. Models to assess the associations of deprivation, stratified by urban/rural status, with preterm delivery (PTD), with small for gestational age birth weight (SGA) and with small for gestational age head circumference at birth (SHC), estimated odds ratios (ORs), adjusted for maternal socioeconomic characteristics and SAPC. RESULTS This study considered 2929 liveborn singleton pregnancies from 780 census blocks. Neighbourhood deprivation was associated with increased risks of SGA and SHC (P trend < 0.01 and 0.03 respectively), only among mothers residing in rural areas. Neighbourhood deprivation had statistically significantly heterogeneous effects on SGA and SHC according to the urban/rural status of maternal residence. CONCLUSION These findings suggest that neighbourhood deprivation affects fetal growth differentially in urban and rural areas and that SAPC does not seem to be responsible for this difference. Comparison of these findings with the literature requires caution in the conceptualisation of urban and rural settings.
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Affiliation(s)
- Mélanie Bertin
- IRSET - Inserm UMR 1085, University of Rennes 1, Rennes, France.,EHESP, School of Public Health, Rennes, France
| | - Jean-François Viel
- IRSET - Inserm UMR 1085, University of Rennes 1, Rennes, France.,Department of Epidemiology and Public Health, University Hospital, Rennes, France
| | | | | | - Cécile Chevrier
- IRSET - Inserm UMR 1085, University of Rennes 1, Rennes, France
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Poulsen G, Strandberg-Larsen K, Mortensen L, Barros H, Cordier S, Correia S, Danileviciute A, van Eijsden M, Fernández-Somoano A, Gehring U, Grazuleviciene R, Hafkamp-de Groen E, Henriksen TB, Jensen MS, Larrañaga I, Magnus P, Pickett K, Raat H, Richiardi L, Rouget F, Rusconi F, Stoltenberg C, Uphoff EP, Vrijkotte TGM, Wijga AH, Vrijheid M, Osler M, Andersen AMN. Exploring educational disparities in risk of preterm delivery: a comparative study of 12 European birth cohorts. Paediatr Perinat Epidemiol 2015; 29:172-83. [PMID: 25808200 DOI: 10.1111/ppe.12185] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND An association between education and preterm delivery has been observed in populations across Europe, but differences in methodology limit comparability. We performed a direct cross-cohort comparison of educational disparities in preterm delivery based on individual-level birth cohort data. METHODS The study included data from 12 European cohorts from Denmark, England, France, Lithuania, the Netherlands, Norway, Italy, Portugal, and Spain. The cohorts included between 2434 and 99 655 pregnancies. The association between maternal education and preterm delivery (22-36 completed weeks of gestation) was reported as risk ratios, risk differences, and slope indexes of inequality with 95% confidence intervals (CIs). RESULTS Singleton preterm live delivery proportion varied between 3.7% and 7.5%. There were large variations between the cohorts in the distribution of education and maternal characteristics. Nevertheless, there were similar educational differences in risk of preterm delivery in 8 of the 12 cohorts with slope index of inequality varying between 2.2 [95% CI 1.1, 3.3] and 4.0 [95% CI 1.4, 6.6] excess preterm deliveries per 100 singleton deliveries among the educationally most disadvantaged, and risk ratio between the lowest and highest education category varying from 1.4 [95% CI 1.1, 1.8] to 1.9 [95% CI 1.2, 3.1]. No associations were found in the last four cohorts. CONCLUSIONS Educational disparities in preterm delivery were found all over Europe. Despite differences in the distributions of education and preterm delivery, the results were remarkably similar across the cohorts. For those few cohorts that did not follow the pattern, study and country characteristics did not explain the differences.
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Affiliation(s)
- Gry Poulsen
- Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
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Moltó-Puigmartí C, van Dongen MCJM, Dagnelie PC, Plat J, Mensink RP, Tan FES, Heinrich J, Thijs C. Maternal but not fetal FADS gene variants modify the association between maternal long-chain PUFA intake in pregnancy and birth weight. J Nutr 2014; 144:1430-7. [PMID: 24991040 DOI: 10.3945/jn.114.194035] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Several studies have shown a positive association between maternal fish intake in pregnancy and pregnancy duration and child birth weight (BW), probably due to fish n-3 (ω-3) long-chain polyunsaturated fatty acids (LC-PUFAs). n-3 LC-PUFAs can also be synthesized endogenously, and their synthesis depends on single nucleotide polymorphisms (SNPs) in the fatty acid desaturase (FADS) gene encoding for FADS. We assessed the associations of maternal docosahexaenoic acid (DHA) intake in pregnancy with pregnancy duration and BW and investigated whether these associations are modified by maternal or fetal FADS SNP genotypes. We hypothesized that we would find stronger associations in minor allele homozygous mothers or fetuses due to their lower n-3 LC-PUFA endogenous synthesis and hence higher dependence on dietary supply. Data on maternal diet, pregnancy duration, and BW were available for 2622 mother-child pairs from the KOALA (Kind, Ouders en gezondheid: Aandacht voor Leefstijl en Aanleg) Birth Cohort Study. The rs174556 FADS SNP was genotyped in 1516 mothers and 1515 children. Associations and gene-diet interactions were tested with linear regression adjusting for potential confounders, including intake of other PUFAs. Women at the 75th percentile of DHA intake had 0.7-d longer pregnancies (P = 0.016) and 28-g heavier infants (P = 0.039) than did women at the 25th percentile of intake. Associations with arachidonic acid intake were of the same order but in the opposite direction. Mothers who were homozygous for the minor allele had 2-d shorter pregnancies (P = 0.035) and infants who were nearly 140 g lighter (P = 0.006) than did mothers who were major allele homozygotes. Post hoc analyses revealed that they had higher prepregnancy BMI (P = 0.020). Among the women homozygous for the minor allele, those at the 75th percentile of DHA intake had 226-g heavier infants than those at the 25th percentile of intake (P = 0.030), whereas DHA intake was not significantly associated with BW in major allele carriers. These findings suggest that maternal and fetal fatty acid requirements during pregnancy depend on maternal genetic variation in LC-PUFA synthesis.
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Affiliation(s)
| | | | | | - Jogchum Plat
- Department of Human Biology, Maastricht University Medical Centre, Maastricht, The Netherlands; and
| | - Ronald P Mensink
- Department of Human Biology, Maastricht University Medical Centre, Maastricht, The Netherlands; and
| | - Frans E S Tan
- Methodology and Statistics, Maastricht University CAPHRI School for Public Health and Primary Care, Maastricht, The Netherlands
| | - Joachim Heinrich
- Institute of Epidemiology I, Helmholtz Zentrum München German Research Center for Environmental Health, Neuherberg, Germany
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Papadopoulou E, Kogevinas M, Botsivali M, Pedersen M, Besselink H, Mendez MA, Fleming S, Hardie LJ, Knudsen LE, Wright J, Agramunt S, Sunyer J, Granum B, Gutzkow KB, Brunborg G, Alexander J, Meltzer HM, Brantsæter AL, Sarri K, Chatzi L, Merlo DF, Kleinjans JC, Haugen M. Maternal diet, prenatal exposure to dioxin-like compounds and birth outcomes in a European prospective mother-child study (NewGeneris). THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 484:121-128. [PMID: 24691212 DOI: 10.1016/j.scitotenv.2014.03.047] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 03/07/2014] [Accepted: 03/07/2014] [Indexed: 06/03/2023]
Abstract
Maternal diet can result in exposure to environmental contaminants including dioxins which may influence foetal growth. We investigated the association between maternal diet and birth outcomes by defining a dioxin-rich diet. We used validated food frequency questionnaires to assess the diet of pregnant women from Greece, Spain, United Kingdom, Denmark and Norway and estimated plasma dioxin-like activity by the Dioxin-Responsive Chemically Activated LUciferase eXpression (DR-CALUX®) bioassay in 604 maternal blood samples collected at delivery. We applied reduced rank regression to identify a dioxin-rich dietary pattern based on dioxin-like activity (DR-CALUX®) levels in maternal plasma, and calculated a dioxin-diet score as an estimate of adherence to this dietary pattern. In the five country population, dioxin-diet score was characterised by high consumption of red and white meat, lean and fatty fish, low-fat dairy and low consumption of salty snacks and high-fat cheese, during pregnancy. The upper tertile of the dioxin-diet score was associated with a change in birth weight of -121g (95% confidence intervals: -232, -10g) compared to the lower tertile after adjustment for confounders. A small non-significant reduction in gestational age was also observed (-1.4days, 95% CI: -3.8, 1.0days). Our results suggest that maternal diet might contribute to the exposure of the foetus to dioxins and dioxin-like compounds and may be related to reduced birth weight. More studies are needed to develop updated dietary guidelines for women of reproductive age, aiming to the reduction of dietary exposure to persistent organic pollutants as dioxins and dioxin-like compounds.
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Affiliation(s)
- Eleni Papadopoulou
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway; Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain; Pompeu Fabra University, Plaça de la Mercè 10-12, 08002 Barcelona, Spain.
| | - Manolis Kogevinas
- Pompeu Fabra University, Plaça de la Mercè 10-12, 08002 Barcelona, Spain; Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain; IMIM (Hospital del Mar Research Institute), Doctor Aiguader 88, 08003 Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Melchor Fernández Almagro 3-5, 28029 Madrid, Spain; National School of Public Health, Alexandras Avenue 196, 11521 Athens, Greece
| | - Maria Botsivali
- National Hellenic Research Foundation, Institute of Biological Research and Biotechnology, Vassileos Constantinou Avenue 48, 11635 Athens, Greece
| | - Marie Pedersen
- Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain; Pompeu Fabra University, Plaça de la Mercè 10-12, 08002 Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Melchor Fernández Almagro 3-5, 28029 Madrid, Spain; INSERM (National Institute of Health Medical Research), Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Institute Albert Bonniot, BP 170, La Tronche, F-38042 Grenoble Cedex 9, France
| | - Harrie Besselink
- BioDetection Systems B.V., Science Park 406, 1098 XH Amsterdam, The Netherlands
| | - Michelle A Mendez
- Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain
| | - Sarah Fleming
- Centre for Epidemiology and Biostatistics, Leeds Institute of Genetics, Health and Therapeutics, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, UK
| | - Laura J Hardie
- Centre for Epidemiology and Biostatistics, Leeds Institute of Genetics, Health and Therapeutics, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, UK
| | - Lisbeth E Knudsen
- Section of Environmental Health, Department of Public Health, University of Copenhagen, Øster Farimagsgade 5, 1014 Copenhagen, Denmark
| | - John Wright
- Bradford Institute for Health Research, Temple Bank House, Bradford Royal Infirmary, Duckworth Lane, Bradford BD9 6RJ, UK
| | - Silvia Agramunt
- Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain; IMIM (Hospital del Mar Research Institute), Doctor Aiguader 88, 08003 Barcelona, Spain; Parc de Salut Mar, Obstetrics and Gynaecology Department, Passeig Marítim 25-29, 08003 Barcelona, Spain
| | - Jordi Sunyer
- Centre for Research in Environmental Epidemiology (CREAL), Doctor Aiguader 88, 08003 Barcelona, Spain; Pompeu Fabra University, Plaça de la Mercè 10-12, 08002 Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Melchor Fernández Almagro 3-5, 28029 Madrid, Spain
| | - Berit Granum
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway
| | - Kristine B Gutzkow
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway
| | - Gunnar Brunborg
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway
| | - Jan Alexander
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway
| | - Helle Margrete Meltzer
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway
| | - Anne Lise Brantsæter
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway
| | - Katerina Sarri
- Department of Social Medicine, Medical School, University of Crete, Voutes Campus, Heraklion, Crete GR-71003, Greece
| | - Leda Chatzi
- Department of Social Medicine, Medical School, University of Crete, Voutes Campus, Heraklion, Crete GR-71003, Greece
| | - Domenico F Merlo
- Epidemiology, Biostatistics, and Clinical Trials, National Cancer Research Institute, Largo Rosanna Benzi 10, 16132 Genoa, Italy
| | - Jos C Kleinjans
- Department of Toxicogenomics, Maastricht University, Universiteitssingel 40, 6229ER Maastricht, The Netherlands
| | - Margaretha Haugen
- Division of Environmental Medicine, Norwegian Institute of Public Health, Lovisenberggata 8, 0456 Oslo, Norway
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Razzaghi H, Tinker SC. Seafood consumption among pregnant and non-pregnant women of childbearing age in the United States, NHANES 1999-2006. Food Nutr Res 2014; 58:23287. [PMID: 24959115 PMCID: PMC4056189 DOI: 10.3402/fnr.v58.23287] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 03/27/2014] [Accepted: 05/18/2014] [Indexed: 11/14/2022] Open
Abstract
Objectives Long-chain polyunsaturated fatty acids found in seafood are essential for optimal neurodevelopment of the fetus. However, concerns about mercury contamination of seafood and its potential harm to the developing fetus have created uncertainty about seafood consumption for pregnant women. We compared fish and shellfish consumption patterns, as well as their predictors, among pregnant and non-pregnant women of childbearing age in the US. Methods Data from 1,260 pregnant and 5,848 non-pregnant women aged 16–49 years from the 1999 to 2006 National Health and Nutrition Examination Survey (NHANES) were analyzed. Frequency and type of seafood consumed and adjusted associations of multiple characteristics with seafood consumption were estimated for pregnant and non-pregnant women, separately. Time trends were also examined. Results There were no significant differences in the prevalence of fish or shellfish consumption, separately or combined, between pregnant and non-pregnant women using either the 30-day questionnaire or the Day 1, 24-h recall. Seafood consumption was associated with higher age, income, and education among pregnant and non-pregnant women, and among fish consumers these groups were more likely to consume ≥3 servings in the past 30 days. Tuna and shrimp were the most frequently reported fish and shellfish, respectively, among both pregnant and non-pregnant women. We observed no significant time trends. Conclusion There were no differences in seafood consumption between pregnant and non-pregnant women, and the factors related to seafood consumption were similar for both groups. Our data suggest that many women consume less than the recommended two servings of seafood a week.
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Affiliation(s)
- Hilda Razzaghi
- National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA ; Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA
| | - Sarah C Tinker
- National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention (CDC), Atlanta, GA, USA
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Višnjevec AM, Kocman D, Horvat M. Human mercury exposure and effects in Europe. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2014; 33:1259-70. [PMID: 24375779 DOI: 10.1002/etc.2482] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2013] [Revised: 07/16/2013] [Accepted: 10/31/2013] [Indexed: 05/23/2023]
Abstract
The effects of human exposure to mercury (Hg) and its compounds in Europe have been the focus of numerous studies that differed in their design, including recruiting different population groups at different levels of exposure and using different protocols and recruitment strategies. The objective of the present study was to review current studies of Hg exposure in Europe, taking into account the potential routes of Hg exposure, actual Hg exposure levels assessed by different biomarkers, and the effects of Hg to Europeans. All published studies from 2000 onward were reviewed, and exposure and effects studies were compared with known Hg levels in environmental compartments by mapping the various population groups studied and taking into account known sources of Hg. A study of the spatial distribution trends confirmed that the highest exposure levels to Hg, mostly as methylmercury (MeHg), are found in coastal populations, which consume more fish than inland populations. Fewer studies addressed exposure to elemental Hg through inhalation of Hg in air and inorganic Hg in food, particularly in highly contaminated areas. Overall, at the currently low exposure levels of Hg prevalently found in Europe, further studies are needed to confirm the risk to European populations, taking into consideration exposure to various Hg compounds and mixtures of stressors with similar end-points, nutritional status, and a detailed understanding of Hg in fish present in European markets.
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Affiliation(s)
- Ana Miklavčič Višnjevec
- Department of Environmental Sciences, "Jožef Stefan" Institute, Ljubljana, Slovenia; International postgraduate School Jožef Stefan, Ljubljana, Slovenia
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Leventakou V, Roumeliotaki T, Martinez D, Barros H, Brantsaeter AL, Casas M, Charles MA, Cordier S, Eggesbø M, van Eijsden M, Forastiere F, Gehring U, Govarts E, Halldórsson TI, Hanke W, Haugen M, Heppe DHM, Heude B, Inskip HM, Jaddoe VWV, Jansen M, Kelleher C, Meltzer HM, Merletti F, Moltó-Puigmartí C, Mommers M, Murcia M, Oliveira A, Olsen SF, Pele F, Polanska K, Porta D, Richiardi L, Robinson SM, Stigum H, Strøm M, Sunyer J, Thijs C, Viljoen K, Vrijkotte TGM, Wijga AH, Kogevinas M, Vrijheid M, Chatzi L. Fish intake during pregnancy, fetal growth, and gestational length in 19 European birth cohort studies. Am J Clin Nutr 2014; 99:506-16. [PMID: 24335057 DOI: 10.3945/ajcn.113.067421] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Fish is a rich source of essential nutrients for fetal development, but in contrast, it is also a well-known route of exposure to environmental pollutants. OBJECTIVE We assessed whether fish intake during pregnancy is associated with fetal growth and the length of gestation in a panel of European birth cohort studies. DESIGN The study sample of 151,880 mother-child pairs was derived from 19 population-based European birth cohort studies. Individual data from cohorts were pooled and harmonized. Adjusted cohort-specific effect estimates were combined by using a random- and fixed-effects meta-analysis. RESULTS Women who ate fish >1 time/wk during pregnancy had lower risk of preterm birth than did women who rarely ate fish (≤ 1 time/wk); the adjusted RR of fish intake >1 but <3 times/wk was 0.87 (95% CI: 0.82, 0.92), and for intake ≥ 3 times/wk, the adjusted RR was 0.89 (95% CI: 0.84, 0.96). Women with a higher intake of fish during pregnancy gave birth to neonates with a higher birth weight by 8.9 g (95% CI: 3.3, 14.6 g) for >1 but <3 times/wk and 15.2 g (95% CI: 8.9, 21.5 g) for ≥ 3 times/wk independent of gestational age. The association was greater in smokers and in overweight or obese women. Findings were consistent across cohorts. CONCLUSION This large, international study indicates that moderate fish intake during pregnancy is associated with lower risk of preterm birth and a small but significant increase in birth weight.
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Affiliation(s)
- Vasiliki Leventakou
- Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece (VL, TR, and LC); the Centre for Research in Environmental Epidemiology, Barcelona, Spain (DM, MC, JS, MK, and MV); the Hospital del Mar Medical Research Institute, Barcelona, Spain (DM, MC, JS, MK, and MV); the Department of Clinical Epidemiology, Predictive Medicine and Public Health and Cardiovascular Research & Development Unit, University of Porto Medical School, Porto, Portugal (HB and AO); the Public Health Institute, University of Porto, Portugal (HB and AO); the Department for Genes and Environment (ME) and Department of Chronic Diseases (HS), Division of Epidemiology, and the Division of Environmental Medicine (A-LB, MH, and HMH), Norwegian Institute of Public Health, Oslo, Norway; the Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública, Instituto de Salud Carlos III, Madrid, Spain (MC, M Murcia, JS, MK, and MV); the Institut National de la Santé et de la Recherche Médicale (INSERM), Centre for Research in Epidemiology and Population Health, U1018, Lifelong Epidemiology of Obesity, Diabetes and Renal Disease Team, Villejuif, France (M-AC and BH); the University Paris-Sud, UMRS 1018, le Kremlin Bicêtre, France (M-AC and BH); the INSERM UMR 1085, Institut de Recherche Santé Environnement & Travail, Université de Rennes 1, Rennes Cedex, France (SC and, FP); the Public Health Service Amsterdam, Department of Epidemiology, Documentation and Health Promotion, Amsterdam, Netherlands (MvE); the Department of Epidemiology, Lazio Regional health System, Rome, Italy (FF and DP); the Institute for Risk Assessment Sciences, Utrecht University, Utrecht, Netherlands (UG); the Environmental Risk and Health, Flemish Institute for Technological Research, Mol, Belgium (EG); the Maternal Nutrition Group, Centre for Fetal Programming, Statens Serum Institut, Copenhagen, Denmark (TIH, SFO, and MS); the Faculty of Food Science and Nutrition, University of Ice
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van Wijngaarden E, Harrington D, Kobrosly R, Thurston SW, O'Hara T, McSorley EM, Myers GJ, Watson GE, Shamlaye CF, Strain JJ, Davidson PW. Prenatal exposure to methylmercury and LCPUFA in relation to birth weight. Ann Epidemiol 2014; 24:273-8. [PMID: 24525104 DOI: 10.1016/j.annepidem.2014.01.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Revised: 12/24/2013] [Accepted: 01/02/2014] [Indexed: 10/25/2022]
Abstract
BACKGROUND Epidemiologic studies have been inconclusive regarding the impact of coexposure to long chain polyunsaturated fatty acids (LCPUFA) and methylmercury (MeHg) from fish consumption during pregnancy on measures of fetal development. OBJECTIVES We evaluated the association between birth weight and prenatal maternal LCPUFA status and MeHg exposure in the Republic of Seychelles. METHODS We measured LCPUFA in maternal whole blood collected at 28 weeks of gestation and following delivery and MeHg in maternal hair obtained at delivery. There were 230 births with complete data on birth weight and covariates. Multiple linear regression models controlled for infant sex, gestational age, maternal age, smoking during pregnancy, intrapartum weight gain, prepregnancy body mass index, maternal socioeconomic status, parity, gestational diabetes, and alcohol use during pregnancy. RESULTS The average birth weight was 3252 g (range 1654-4450) and the average gestational age was 39 weeks (range 34-41). Prenatal MeHg exposure and maternal LCPUFA status were not associated with birth weight. Infant sex and length of gestation were the only predictors, with male sex and increased gestational age consistently associated with greater birth weight. CONCLUSIONS These findings do not support a relationship between prenatal exposure to LCPUFA and/or MeHg from fish consumption and birth weight.
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Affiliation(s)
- Edwin van Wijngaarden
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, NY; Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, NY.
| | - Donald Harrington
- Department of Biostatistics and Computational Biology, University of Rochester School of Medicine and Dentistry, NY
| | - Roni Kobrosly
- Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, NY
| | - Sally W Thurston
- Department of Biostatistics and Computational Biology, University of Rochester School of Medicine and Dentistry, NY
| | - Todd O'Hara
- Department of Veterinary Medicine, College of Natural Sciences and Mathematics, University of Alaska Fairbanks, AK
| | - Emeir M McSorley
- Northern Ireland Centre for Food and Health, School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland
| | - Gary J Myers
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, NY; Department of Neurology, University of Rochester School of Medicine and Dentistry, NY; Department of Pediatrics, University of Rochester School of Medicine and Dentistry, NY
| | - Gene E Watson
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, NY; Department of Neurology, University of Rochester School of Medicine and Dentistry, NY; Eastman Department of Dentistry, University of Rochester School of Medicine and Dentistry, NY
| | | | - J J Strain
- Northern Ireland Centre for Food and Health, School of Biomedical Sciences, University of Ulster, Coleraine, Northern Ireland
| | - Philip W Davidson
- Department of Environmental Medicine, University of Rochester School of Medicine and Dentistry, NY; Department of Pediatrics, University of Rochester School of Medicine and Dentistry, NY
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Longitudinal follow-up of the relationship between dietary intake and growth and development in the Lifeways cross-generation cohort study 2001-2013. Proc Nutr Soc 2013; 73:118-31. [PMID: 24300176 DOI: 10.1017/s002966511300373x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this paper we will review evidence on the early life and familial influences on childhood growth and development, with particular reference to the Lifeways cross-generation cohort study in the Republic of Ireland. The Lifeways cross-generation cohort study was established in 2001-2013 through two maternity hospitals in the Republic of Ireland and was one of many new cohort studies established worldwide in the millennium period. Mothers were recruited at first booking visit, completing a self-administered questionnaire, which included a 147 item semi-quantitative FFQ. Longitudinal follow-up is ongoing in 2013, with linkage data to hospital and general practice records and examination of children when aged 5 and 9 years. The study is one of very few containing data on grandparents of both lineages with at least one grandparent recruited at baseline. There have been consistent associations between parental and grandparental health status characteristics and children's outcomes, including infant birth-weight, BMI when child was aged 5 years and childhood wheeze or asthma when child was aged 3 and aged 5 years. In conclusion, empirical evidence to date shows consistent familial and cross-generational patterns, particularly in the maternal line.
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Pelé F, Bajeux E, Gendron H, Monfort C, Rouget F, Multigner L, Viel JF, Cordier S. Maternal fish and shellfish consumption and wheeze, eczema and food allergy at age two: a prospective cohort study in Brittany, France. Environ Health 2013; 12:102. [PMID: 24295221 PMCID: PMC3893486 DOI: 10.1186/1476-069x-12-102] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2013] [Accepted: 11/27/2013] [Indexed: 06/02/2023]
Abstract
BACKGROUND Environmental exposures, including dietary contaminants, may influence the developing immune system. This study assesses the association between maternal pre-parturition consumption of seafood and wheeze, eczema, and food allergy in preschool children. Fish and shellfish were studied separately as they differ according to their levels of omega-3 polyunsaturated fatty acids (which have anti-allergic properties) and their levels of contaminants. METHODS The PELAGIE cohort included 3421 women recruited at the beginning of pregnancy. Maternal fish and shellfish intake was measured at inclusion by a food frequency questionnaire. Wheeze, eczema, and food allergy were evaluated by a questionnaire completed by the mother when the child was 2 years old (n = 1500). Examination of the associations between seafood intake and outcomes took major confounders into account. Complementary sensitivity analyses with multiple imputation enabled us to handle missing data, due mostly to attrition. RESULTS Moderate maternal pre-parturition fish intake (1 to 4 times a month) was, at borderline significance, associated with a lower risk of wheeze (adjusted OR = 0.69 (0.45-1.05)) before age 2, compared with low intake (< once/month). This result was not, however, consistent: after multiple imputation, the adjusted OR was 0.86 (0.63-1.17). Shellfish intake at least once a month was associated with a higher risk of food allergy before age 2 (adjusted OR = 1.62 (1.11-2.37)) compared to low or no intake (< once/month). Multiple imputation confirmed this association (adjusted OR = 1.52 (1.05-2.21)). CONCLUSIONS This study suggests that maternal pre-parturition shellfish consumption may increase the risk of food allergy. Further large-scale epidemiologic studies are needed to corroborate these results, identify the contaminants or components of shellfish responsible for the effects observed, determine the persistence of the associations seen at age 2, and investigate potential associations with health effects observable at later ages, such as allergic asthma.
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Affiliation(s)
- Fabienne Pelé
- Inserm (Institut National de la Santé et de la Recherche Médicale) UMR 1085, IRSET (Institut de Recherche Santé Environnement & Travail), Université de Rennes 1, Rennes, Cedex F-35042, France
- Faculté de Médecine, Université de Rennes 1, Rennes F-35043, France
- Centre Hospitalier Universitaire de Rennes (CHU), Service d’Epidémiologie et de Santé Publique, Rennes F-35033, France
| | - Emma Bajeux
- Centre Hospitalier Universitaire de Rennes (CHU), Service d’Epidémiologie et de Santé Publique, Rennes F-35033, France
| | - Hélène Gendron
- Faculté de Médecine, Université de Rennes 1, Rennes F-35043, France
| | - Christine Monfort
- Inserm (Institut National de la Santé et de la Recherche Médicale) UMR 1085, IRSET (Institut de Recherche Santé Environnement & Travail), Université de Rennes 1, Rennes, Cedex F-35042, France
| | - Florence Rouget
- Inserm (Institut National de la Santé et de la Recherche Médicale) UMR 1085, IRSET (Institut de Recherche Santé Environnement & Travail), Université de Rennes 1, Rennes, Cedex F-35042, France
- Département de Pédiatrie, Centre Hospitalier Universitaire de Rennes (CHU), Rennes, Rennes F-35033, France
| | - Luc Multigner
- Inserm (Institut National de la Santé et de la Recherche Médicale) UMR 1085, IRSET (Institut de Recherche Santé Environnement & Travail), Université de Rennes 1, Rennes, Cedex F-35042, France
| | - Jean-François Viel
- Inserm (Institut National de la Santé et de la Recherche Médicale) UMR 1085, IRSET (Institut de Recherche Santé Environnement & Travail), Université de Rennes 1, Rennes, Cedex F-35042, France
- Faculté de Médecine, Université de Rennes 1, Rennes F-35043, France
- Centre Hospitalier Universitaire de Rennes (CHU), Service d’Epidémiologie et de Santé Publique, Rennes F-35033, France
| | - Sylvaine Cordier
- Inserm (Institut National de la Santé et de la Recherche Médicale) UMR 1085, IRSET (Institut de Recherche Santé Environnement & Travail), Université de Rennes 1, Rennes, Cedex F-35042, France
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Papadopoulou E, Caspersen IH, Kvalem HE, Knutsen HK, Duarte-Salles T, Alexander J, Meltzer HM, Kogevinas M, Brantsæter AL, Haugen M. Maternal dietary intake of dioxins and polychlorinated biphenyls and birth size in the Norwegian Mother and Child Cohort Study (MoBa). ENVIRONMENT INTERNATIONAL 2013; 60:209-216. [PMID: 24071022 DOI: 10.1016/j.envint.2013.08.017] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 08/29/2013] [Accepted: 08/30/2013] [Indexed: 06/02/2023]
Abstract
Maternal diet not only provides essential nutrients to the developing fetus but is also a source of prenatal exposure to environmental contaminants. We investigated the association between dietary intake of dioxins and PCBs during pregnancy and birth size. The study included 50,651 women from the Norwegian Mother and Child Cohort Study (MoBa). Dietary information was collected by FFQs and intake estimates were calculated by combining food consumption and food concentration of dioxins, dioxin-like PCBs and non-dioxin-like PCBs. We used multivariable regression models to estimate the association between dietary intake of dioxins and PCBs and fetal growth. The contribution of fish and seafood intake during pregnancy was 41% for dietary dioxins and dioxin-like PCBs and 49% for dietary non-dioxin-like PCBs. Further stratified analysis by quartiles of seafood intake during pregnancy was conducted. We found an inverse dose-response association between dietary intake of dioxins and PCBs and fetal growth after adjustment for confounders. Newborns of mothers in the upper quartile of dioxin and dioxin-like PCBs intake had 62g lower birth weight (95% CI: -73, -50), 0.26cm shorter birth length (95% CI: -0.31, -0.20) and 0.10cm shorter head circumference (95% CI: -0.14, -0.06) than newborns of mothers in the lowest quartile of intake. Similar negative associations for intake of dioxins and dioxin-like PCBs were found after excluding women with intakes above the tolerable weekly intake (TWI=14pg TEQ/kg bw/week). The negative association of dietary dioxins and PCBs with fetal growth was weaker as seafood intake was increasing. No association was found between dietary dioxin and PCB intake and the risk for small-for-gestational age neonate. In conclusion, dietary intakes of dioxins and PCBs during pregnancy were negatively associated with fetal growth, even at intakes below the TWI.
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Affiliation(s)
- Eleni Papadopoulou
- Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain; Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo, Norway; Pompeu Fabra University, Barcelona, Spain.
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Larsen PS, Kamper-Jørgensen M, Adamson A, Barros H, Bonde JP, Brescianini S, Brophy S, Casas M, Charles MA, Devereux G, Eggesbø M, Fantini MP, Frey U, Gehring U, Grazuleviciene R, Henriksen TB, Hertz-Picciotto I, Heude B, Hryhorczuk DO, Inskip H, Jaddoe VWV, Lawlor DA, Ludvigsson J, Kelleher C, Kiess W, Koletzko B, Kuehni CE, Kull I, Kyhl HB, Magnus P, Momas I, Murray D, Pekkanen J, Polanska K, Porta D, Poulsen G, Richiardi L, Roeleveld N, Skovgaard AM, Sram RJ, Strandberg-Larsen K, Thijs C, Van Eijsden M, Wright J, Vrijheid M, Andersen AMN. Pregnancy and birth cohort resources in europe: a large opportunity for aetiological child health research. Paediatr Perinat Epidemiol 2013; 27:393-414. [PMID: 23772942 DOI: 10.1111/ppe.12060] [Citation(s) in RCA: 199] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND During the past 25 years, many pregnancy and birth cohorts have been established. Each cohort provides unique opportunities for examining associations of early-life exposures with child development and health. However, to fully exploit the large amount of available resources and to facilitate cross-cohort collaboration, it is necessary to have accessible information on each cohort and its individual characteristics. The aim of this work was to provide an overview of European pregnancy and birth cohorts registered in a freely accessible database located at http://www.birthcohorts.net. METHODS European pregnancy and birth cohorts initiated in 1980 or later with at least 300 mother-child pairs enrolled during pregnancy or at birth, and with postnatal data, were eligible for inclusion. Eligible cohorts were invited to provide information on the data and biological samples collected, as well as the timing of data collection. RESULTS In total, 70 cohorts were identified. Of these, 56 fulfilled the inclusion criteria encompassing a total of more than 500,000 live-born European children. The cohorts represented 19 countries with the majority of cohorts located in Northern and Western Europe. Some cohorts were general with multiple aims, whilst others focused on specific health or exposure-related research questions. CONCLUSION This work demonstrates a great potential for cross-cohort collaboration addressing important aspects of child health. The web site, http://www.birthcohorts.net, proved to be a useful tool for accessing information on European pregnancy and birth cohorts and their characteristics.
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Affiliation(s)
- Pernille Stemann Larsen
- Section of Social Medicine, Department of Public Health, University of Copenhagen, Copenhagen.
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Wadhwani NS, Pisal HR, Mehendale SS, Joshi SR. A prospective study of maternal fatty acids, micronutrients and homocysteine and their association with birth outcome. MATERNAL AND CHILD NUTRITION 2013; 11:559-73. [PMID: 23795920 DOI: 10.1111/mcn.12062] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Our earlier studies both in animals and in humans have indicated that micronutrients (folic acid, vitamin B12) and long-chain polyunsaturated fatty acids, especially docosahexaenoic acid (DHA), are interlinked in the one-carbon cycle, which plays an important role in fetal 'programming' of adult diseases. The present study examines the levels of maternal and cord plasma fatty acids, maternal folate, vitamin B12 and homocysteine in healthy mothers at various time points during pregnancy and also examine an association between them. A longitudinal study of 106 normal pregnant women was carried out, and maternal blood was collected at three time points, viz., T1 = 16-20th week, T2 = 26-30th week and T3 = at delivery. Cord blood was collected at delivery. Fatty acids were estimated using a gas chromatograph. Levels of folate, vitamin B12 and homocysteine were estimated by the chemiluminescent microparticle immunoassay (CMIA) technology. Maternal plasma folate (P < 0.05), vitamin B12 (P < 0.01) and DHA (P < 0.05) levels were lowest, while maternal homocysteine levels were highest (P < 0.01) at T3. There was a negative association between maternal DHA and homocysteine at T2 (P < 0.05) and T3 (P < 0.01). There was a positive association between plasma DHA in maternal blood at T3 and cord blood. Furthermore, there was a positive association between maternal folate and vitamin B12 at T3 and baby weight, whereas maternal homocysteine at T1 were inversely associated with baby weight at delivery. Our study provides evidence for the associations of folic acid, vitamin B12, homocysteine with DHA and baby weight, suggesting that a balanced dietary supplementation of folate-vitamin B12-DHA during pregnancy may be beneficial.
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Affiliation(s)
- Nisha S Wadhwani
- Department of Nutritional Medicine, Interactive Research School for Health Affairs, Bharati Vidyapeeth University, Pune, India
| | - Hemlata R Pisal
- Department of Nutritional Medicine, Interactive Research School for Health Affairs, Bharati Vidyapeeth University, Pune, India
| | - Savita S Mehendale
- Department of Obstetrics and Gynaecology, Bharati Medical College and Hospital, Charity Vidyapeeth University, Pune, India
| | - Sadhana R Joshi
- Department of Nutritional Medicine, Interactive Research School for Health Affairs, Bharati Vidyapeeth University, Pune, India
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Marques RC, Bernardi JVE, Dórea JG, Brandão KG, Bueno L, Leão RS, Malm O. Fish consumption during pregnancy, mercury transfer, and birth weight along the Madeira River Basin in Amazonia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2013; 10:2150-63. [PMID: 23759951 PMCID: PMC3717729 DOI: 10.3390/ijerph10062150] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2013] [Revised: 05/16/2013] [Accepted: 05/17/2013] [Indexed: 11/24/2022]
Abstract
Birth weight can be a predictor of maternal health issues related to nutrition and environmental contaminants. Total hair mercury (HHg) concentration was studied as an indicator of both fish consumption and methylmercury exposure in mothers (and newborns) living in selected low income areas of the Madeira River basin, Amazonia, Brazil. This cohort study (n = 1,433) consisted of traditional riverines (n = 396), riverines who had moved to urban (n = 676) and rural (n = 67) settings, and tin miner settlers (n = 294). Median maternal HHg was significantly different (p = 0.00001) between riverine (12.1 µg·g−1), rural (7.82 µg·g−1), urban (5.4 µg·g−1), and tin miner (4.5 µg·g−1) groups studied. The same trend (of medians) was observed for newborns’ HHg which also showed significant differences between riverine (3.0 µg·g−1), rural (2.0 µg·g−1), urban (1.5 µg·g−1), and tin miner (0.8 µg·g−1) groups. The correlation between maternal and newborn HHg was statistically significant in the riverine (r = 0.8952; p = 0.0001), urban (r = 0.6744; p = 0.0001), and rural (r = 0.8416; p = 0.0001) groups but not in the mother-infant pairs in the tin miner group (r = 0.0638; p = 0.2752). Birth weight was significantly different among groups but did not show a pattern consistent with that of fish consumption (and HHg). A multiple regression analysis showed that only family income and gestational age had a significant impact on birth weight. Conclusions: Maternal HHg is an important biomarker of maternal fish consumption and of methylmercury exposure during pregnancy. However, in these Amazonian groups, only maternal education and gestational age seemed to affect birth weight positively.
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Affiliation(s)
- Rejane C. Marques
- Federal University of Rio de Janeiro, Campus Macaé, CEP 27930-560, RJ, Brazil; E-Mail:
| | | | - José G. Dórea
- University of Brasília, Brasília, CEP 0919-970, DF, Brazil; E-Mail:
- Author to whom correspondence should be addressed; E-Mail:
| | - Katiane G. Brandão
- Federal University of Rondônia, Porto Velho, CEP 76801-059, RO, Brazil; E-Mails: (K.G.B.); (L.B.)
| | - Lucélia Bueno
- Federal University of Rondônia, Porto Velho, CEP 76801-059, RO, Brazil; E-Mails: (K.G.B.); (L.B.)
| | - Renata S. Leão
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, CEP 21941-902, RJ, Brazil; E-Mails: (R.S.L.); (O.M.)
| | - Olaf Malm
- Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, CEP 21941-902, RJ, Brazil; E-Mails: (R.S.L.); (O.M.)
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Organochlorine Pesticides, Polychlorinated Biphenyls, Seafood Consumption, and Time-to-Pregnancy. Epidemiology 2013; 24:251-60. [DOI: 10.1097/ede.0b013e31827f53ec] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pichery C, Bellanger M, Zmirou-Navier D, Fréry N, Cordier S, Roue-LeGall A, Hartemann P, Grandjean P. Economic evaluation of health consequences of prenatal methylmercury exposure in France. Environ Health 2012; 11:53. [PMID: 22883022 PMCID: PMC3533723 DOI: 10.1186/1476-069x-11-53] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Accepted: 07/09/2012] [Indexed: 05/05/2023]
Abstract
BACKGROUND Evidence of a dose-response relationship between prenatal exposure to methylmercury (MeHg) and neurodevelopmental consequences in terms of IQ reduction, makes it possible to evaluate the economic consequences of MeHg exposures. OBJECTIVE To perform an economic evaluation of annual national benefits of reduction of the prenatal MeHg exposure in France. METHODS We used data on hair-Hg concentrations in French women of childbearing age (18-45 years) from a national sample of 126 women and from two studies conducted in coastal regions (n = 161and n = 503). A linear dose response function with a slope of 0.465 IQ point reduction per μg/g increase in hair-Hg concentration was used, along with a log transformation of the exposure scale, where a doubling of exposure was associated with a loss of 1.5 IQ points. The costs calculations utilized an updated estimate of €2008 17,363 per IQ point decrement, with three hypothetical exposure cut-off points (hair-Hg of 0.58, 1.0, and 2.5 μg/g). RESULTS Because of higher exposure levels of women in coastal communities, the annual economic impacts based on these data were greater than those using the national data, i.e., € 1.62 billion (national), and € 3.02 billion and € 2.51 billion (regional), respectively, with the linear model, and € 5.46 billion (national), and € 9.13 billion and € 8.17 billion (regional), with the log model, for exposures above 0.58 μg/g. CONCLUSIONS These results emphasize that efforts to reduce MeHg exposures would have high social benefits by preventing the serious and lifelong consequences of neurodevelopmental deficits in children.
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Affiliation(s)
- Céline Pichery
- EHESP School of Public Health, Rennes Cedex 35043, France
| | | | - Denis Zmirou-Navier
- EHESP School of Public Health, Rennes Cedex 35043, France
- Lorraine University Medical School, Public Health department, Vandoeuvre-les-Nancy cedex, France
- INSERM U 1085-IRSET (Institut de Recherche Santé Environnement Travail), Rennes 1 University, Rennes cedex 35042, France
| | - Nadine Fréry
- Institut de veille sanitaire, Département Santé Environnement, Saint Maurice cedex 94415, France
| | - Sylvaine Cordier
- INSERM U 1085-IRSET (Institut de Recherche Santé Environnement Travail), Rennes 1 University, Rennes cedex 35042, France
| | | | - Philippe Hartemann
- Lorraine University Medical School, Public Health department, Vandoeuvre-les-Nancy cedex, France
- INSERM U 954 "Nutrition, genetics and environmental risks”, Medical School, Vandoeuvre-les-Nancy cedex 54505, France
| | - Philippe Grandjean
- Institute of Public Health, University of Southern Denmark,Odense DK-5000, Denmark
- Department of Environmental Health, Harvard School of Public Health, Boston, MA 02215, USA
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Imhoff-Kunsch B, Briggs V, Goldenberg T, Ramakrishnan U. Effect of n-3 long-chain polyunsaturated fatty acid intake during pregnancy on maternal, infant, and child health outcomes: a systematic review. Paediatr Perinat Epidemiol 2012; 26 Suppl 1:91-107. [PMID: 22742604 DOI: 10.1111/j.1365-3016.2012.01292.x] [Citation(s) in RCA: 102] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Evidence from observational studies and randomised trials has suggested a potential association between intake of n-3 long-chain polyunsaturated fatty acids (LCPUFA) during pregnancy and certain pregnancy and birth outcomes. Marine foods (e.g. fatty sea fish, algae) and select freshwater fish contain pre-formed n-3 LCPUFA, which serve as precursors for bioactive molecules (e.g. prostaglandins) that influence a variety of biological processes. The main objective of this analysis was to summarise evidence of the effect of n-3 LCPUFA intake during pregnancy on select maternal and child health outcomes. Searches were performed in PubMed, EMBASE, and other electronic databases to identify trials where n-3 LCPUFA were provided to pregnant women for at least one trimester of pregnancy. Data were extracted into a standardised abstraction table and pooled analyses were conducted using RevMan software. Fifteen randomised controlled trials were eligible for inclusion in the meta-analysis, and 14 observational studies were included in the general review. n-3 LCPUFA supplementation during pregnancy resulted in a modest increase in birthweight (mean difference = 42.2 g; [95% CI 14.8, 69.7]) and no significant differences in birth length or head circumference. Women receiving n-3 LCPUFA had a 26% lower risk of early preterm delivery (<34 weeks) (RR = 0.74; [95% CI 0.58, 0.94]) and there was a suggestion of decreased risk of preterm delivery (RR = 0.91; [95% CI 0.82, 1.01]) and low birthweight (RR = 0.92; [95% CI 0.83, 1.02]). n-3 LCPUFA in pregnancy did not influence the occurrence of pre-eclampsia, high blood pressure, infant death, or stillbirth. Our review of observational studies revealed mixed findings, with several large studies reporting positive associations between fish intake and birthweight and several reporting no associations. In conclusion, n-3 LCPUFA supplementation during pregnancy resulted in a decreased risk of early preterm delivery and a modest increase in birthweight. More studies in low- and middle-income countries are needed to determine any effect of n-3 LCPUFA supplementation in resource-poor settings, where n-3 PUFA intake is likely low.
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Affiliation(s)
- Beth Imhoff-Kunsch
- Hubert Department of Global Health, Rollins School of Public Health, Emory University, 1599 Clifton Road, Atlanta, GA 30322, USA.
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Mortamais M, Chevrier C, Philippat C, Petit C, Calafat AM, Ye X, Silva MJ, Brambilla C, Eijkemans MJC, Charles MA, Cordier S, Slama R. Correcting for the influence of sampling conditions on biomarkers of exposure to phenols and phthalates: a 2-step standardization method based on regression residuals. Environ Health 2012; 11:29. [PMID: 22537080 PMCID: PMC3533777 DOI: 10.1186/1476-069x-11-29] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Accepted: 03/29/2012] [Indexed: 05/21/2023]
Abstract
BACKGROUND Environmental epidemiology and biomonitoring studies typically rely on biological samples to assay the concentration of non-persistent exposure biomarkers. Between-participant variations in sampling conditions of these biological samples constitute a potential source of exposure misclassification. Few studies attempted to correct biomarker levels for this error. We aimed to assess the influence of sampling conditions on concentrations of urinary biomarkers of select phenols and phthalates, two widely-produced families of chemicals, and to standardize biomarker concentrations on sampling conditions. METHODS Urine samples were collected between 2002 and 2006 among 287 pregnant women from Eden and Pélagie cohorts, from which phthalates and phenols metabolites levels were assayed. We applied a 2-step standardization method based on regression residuals. First, the influence of sampling conditions (including sampling hour, duration of storage before freezing) and of creatinine levels on biomarker concentrations were characterized using adjusted linear regression models. In the second step, the model estimates were used to remove the variability in biomarker concentrations due to sampling conditions and to standardize concentrations as if all samples had been collected under the same conditions (e.g., same hour of urine collection). RESULTS Sampling hour was associated with concentrations of several exposure biomarkers. After standardization for sampling conditions, median concentrations differed by--38% for 2,5-dichlorophenol to +80 % for a metabolite of diisodecyl phthalate. However, at the individual level, standardized biomarker levels were strongly correlated (correlation coefficients above 0.80) with unstandardized measures. CONCLUSIONS Sampling conditions, such as sampling hour, should be systematically collected in biomarker-based studies, in particular when the biomarker half-life is short. The 2-step standardization method based on regression residuals that we proposed in order to limit the impact of heterogeneity in sampling conditions could be further tested in studies describing levels of biomarkers or their influence on health.
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Affiliation(s)
- Marion Mortamais
- Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Inserm, Institut Albert Bonniot (U823), Grenoble, France
- Inserm, U1061, Montpellier, France
| | | | - Claire Philippat
- Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Inserm, Institut Albert Bonniot (U823), Grenoble, France
- Grenoble University, Institut Albert Bonniot (U823), Grenoble, France
| | | | | | - Xiaoyun Ye
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Manori J Silva
- Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Christian Brambilla
- Inserm and Grenoble University, Institut Albert Bonniot (U823), Molecular Basis of Lung Cancer Progression, Grenoble, France
| | - Marinus JC Eijkemans
- Julius Center for Health Sciences and Primary Care, UMC, Utrecht, The Netherlands
| | - Marie-Aline Charles
- Inserm and INED Joint Research Group, PARIS, and Inserm, U1018, CESP, Villejuif, France
| | | | - Rémy Slama
- Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, Inserm, Institut Albert Bonniot (U823), Grenoble, France
- Grenoble University, Institut Albert Bonniot (U823), Grenoble, France
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Dunlop AL, Kramer MR, Hogue CJR, Menon R, Ramakrishan U. Racial disparities in preterm birth: an overview of the potential role of nutrient deficiencies. Acta Obstet Gynecol Scand 2012; 90:1332-41. [PMID: 21910693 DOI: 10.1111/j.1600-0412.2011.01274.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To give an overview of the literature for evidence of nutrient deficiencies as contributors to the disparity in preterm birth (PTB) between African-American and Caucasian women. DESIGN Structured literature survey. METHODS We searched MEDLINE to identify observational and experimental studies that evaluated the relation between nutrient intake and/or supplementation and PTB. For nutrients for which studies supported an association, we searched MEDLINE for studies of the prevalence of deficiency in the USA by race. MAIN OUTCOME MEASURES Summarized findings on nutrients for which there is both evidence of a role in PTB and variability in the prevalence of deficiency by race. RESULTS Nutrient deficiencies for which there are varying levels of evidence for an association with PTB and a greater burden among African-American compared with Caucasian women include deficiencies of iron, folic acid, zinc, vitamin D, calcium and magnesium, and imbalance of ω-3 and ω-6 polyunsaturated fatty acids. There are inadequate high-quality studies that investigate the role of nutrient deficiencies in PTB, their potential interaction with other risks, the proportion of excess risk for which they account, and whether supplementation can reduce the risk of, and racial disparities in, PTB in US populations. CONCLUSION Deficiencies of several nutrients have varying levels of evidence of association with PTB and are of greater burden among African-American compared with Caucasian women. Although further research is needed, strategies that improve the nutritional status of African-American women may be a means of addressing a portion of the racial disparity in PTB.
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Affiliation(s)
- Anne L Dunlop
- Department of Family and Preventive Medicine, Rollins School of Public Health, Emory University, Atlanta, GA, USA
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Meltzer HM, Brantsæter AL, Nilsen RM, Magnus P, Alexander J, Haugen M. Effect of dietary factors in pregnancy on risk of pregnancy complications: results from the Norwegian Mother and Child Cohort Study. Am J Clin Nutr 2011; 94:1970S-1974S. [PMID: 21543541 PMCID: PMC3364075 DOI: 10.3945/ajcn.110.001248] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
There has been a thrilling development , as well as profound changes, in our understanding of the effect of fetal nutrition on the development and health of the child. The Norwegian Mother and Child Cohort Study (MoBa) is an ongoing nationwide population-based pregnancy cohort study that between 1999 and 2008 recruited 90,723 women with 106,981 pregnancies and 108,487 children. The objective of MoBa is to test specific etiologic hypotheses by estimating the association between exposures and diseases with a special focus on disorders that may originate in early life. An important aspect in this regard is maternal diet and nutritional status during pregnancy. Nutritional factors have long been considered to be important determinants of maternal and fetal health, and dietary information is currently being collected in a number of pregnancy cohorts in Europe and the United States. Thus far, pregnancy complications studied in MoBa are preterm birth, preeclampsia, and fetal growth; and the aim of this article is to report results of recently published studies of dietary factors in relation to these outcomes. Numerous studies are planned using MoBa data, and the aim is to add to the knowledge of the interplay between dietary factors, nonnutrients, and toxic dietary substances and epigenetic modulation on fetal development and health later in life.
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Affiliation(s)
- Helle Margrete Meltzer
- Divisions of Environmental Medicine and Epidemiology, Norwegian Institute of Public Health, Oslo, Norway.
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Mendez MA, Kogevinas M. A comparative analysis of dietary intakes during pregnancy in Europe: a planned pooled analysis of birth cohort studies. Am J Clin Nutr 2011; 94:1993S-1999S. [PMID: 21974890 PMCID: PMC3742009 DOI: 10.3945/ajcn.110.001164] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND There is growing evidence that despite the absence of marked deficiencies, diet during pregnancy has important implications for maternal and child health in industrialized countries. At present, relatively little is known about prevailing patterns of intake across groups with diverse sociodemographic and lifestyle patterns in these settings. OBJECTIVES The aims of this study were to develop methods for the standardization of food group intake data and to describe the process of applying these methods to existing pregnancy cohort studies, which included >200,000 women across Europe. DESIGN The study developed a detailed standardization protocol to harmonize intakes of selected food groups, which included fruit, vegetables, meats, seafood, and dairy products. Standardization is necessary to facilitate valid comparisons of intake patterns and disparities across countries and will lead to the development of harmonized databases for possible future pooled analyses. RESULTS On the basis of comparisons with previously coordinated multicountry studies, preliminary data suggest that the standardization process yielded sufficiently comparable intake data, which indicate differences in food cultures across the countries that participated. CONCLUSIONS This project provides lessons on the feasibility of harmonizing dietary intake data from existing studies, which can be applied in future post hoc standardization efforts. The data yielded in this analysis will also provide useful information for the development of food and nutrition policies for pregnant women in Europe, including the identification of population subgroups in which dietary inadequacies during pregnancy may be widespread.
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Affiliation(s)
- Michelle A Mendez
- Center for Research in Environmental Epidemiology, Barcelona, Spain, Barcelona, Spain.
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Liu X, Wang G, Hong X, Tsai HJ, Liu R, Zhang S, Wang H, Pearson C, Ortiz K, Wang D, Hirsch E, Zuckerman B, Wang X. Associations between gene polymorphisms in fatty acid metabolism pathway and preterm delivery in a US urban black population. Hum Genet 2011; 131:341-51. [PMID: 21847588 DOI: 10.1007/s00439-011-1079-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2011] [Accepted: 08/03/2011] [Indexed: 12/20/2022]
Abstract
There is increasing evidence suggesting that higher intakes of fish or n-3 polyunsaturated fatty acids supplements may decrease the risk of preterm delivery (PTD). We hypothesized that genetic variants of the enzymes critical to fatty acids biosynthesis and metabolism may be associated with PTD. We genotyped 231 potentially functional single nucleotide polymorphisms (SNPs) and tagSNPs in 9 genes (FADS1, FADS2, PTGS1, PTGS2, ALOX5, ALOX5AP, PTGES, PTGES2, and PTGES3) among 1,110 black mothers, including 542 mothers who delivered preterm (<37 weeks gestation) and 568 mothers who delivered full-term babies (≥37 weeks gestation) at Boston Medical Center. After excluding SNPs that are in complete linkage disequilibrium or have lower minor allele frequency (<1%) or call rate (<90%), we examined the association of 206 SNPs with PTD using multiple logistic regression models. We also imputed 190 HapMap SNPs via program MACH and examined their associations with PTD. Finally, we explored gene-level and pathway-level associations with PTD using the adaptive rank truncated product (ARTP) methods. A total of 21 SNPs were associated with PTD (p value ranging from 0.003 to 0.05), including 3 imputed SNPs. Gene-level ARTP statistics indicated that the gene PTGES2 was significantly associated with PTD with a gene-based p value equal to 0.01. No pathway-based association was found. In this large and comprehensive candidate gene study, we found a modest association of genes in fatty acid metabolism pathway with PTD. Further investigation of these gene polymorphisms jointly with fatty acid measures and other genetic factors would help better understand the pathogenesis of PTD.
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Affiliation(s)
- Xin Liu
- Mary Ann and J. Milburn Smith Child Health Research Program, Children's Memorial Hospital, Children's Memorial Research Center, Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA.
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Maternal seafood consumption and infant birth weight, length and head circumference in the Norwegian Mother and Child Cohort Study. Br J Nutr 2011; 107:436-44. [DOI: 10.1017/s0007114511003047] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Results from previous studies on associations between maternal fish and seafood intakes and fetal growth are inconclusive. The aim of the present study was to investigate how maternal intakes of seafood, subtypes of seafood and supplementary n-3 fatty acids were associated with infant birth weight, length and head circumference in a prospective study in Norway. The study population included 62 099 participants in the Norwegian Mother and Child Cohort Study. The mothers answered an FFQ in mid pregnancy. The FFQ comprised detailed questions about intake of various seafood items and n-3 supplements. Data on infant birth weight, length and head circumference were obtained from the Medical Birth Registry. We used multivariable regression to examine how total seafood, various seafood subtypes and supplementary n-3 intakes were associated with birth size measures. Total seafood intake was positively associated with birth weight and head circumference. Lean fish was positively associated with all birth size measures; shellfish was positively associated with birth weight, while fatty fish was not associated with any birth size measures. Intake of supplementary n-3 was negatively associated with head circumference. The relative risk of giving birth to a small baby ( < 2500 g) in full-term pregnancies was significantly lower in women who consumed >60 g/d of seafood than in women who consumed ≤ 5 g/d (OR = 0·56 (95 % CI 0·35, 0·88). In conclusion, maternal seafood consumption was positively associated with birth size, driven by lean fish intake, while supplementary n-3 intake was negatively associated with infant head circumference.
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