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Zhang B, Liu H, Li H, Wang J, Zhu H, Yu P, Huang X, Wang W. Obstetric blood transfusion in placenta previa patients with prenatal anemia: a retrospective study. BMC Pregnancy Childbirth 2024; 24:92. [PMID: 38291360 PMCID: PMC10826213 DOI: 10.1186/s12884-024-06279-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 01/17/2024] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND The appropriate use of obstetric blood transfusion is crucial for patients with placenta previa and prenatal anemia. This retrospective study aims to explore the correlation between prenatal anemia and blood transfusion-related parameters in this population. METHODS We retrieved the medical records of consecutive participants who were diagnosed with placenta previa and underwent cesarean section in our hospital. We compared the baseline demographics and clinical characteristics of patients with and without anemia. The correlation between prenatal anemia and obstetric blood transfusion-related parameters was evaluated using multivariate regression analysis. RESULTS A total of 749 patients were enrolled, with a mean prenatal hemoglobin level of 10.87 ± 1.37 g/dL. Among them, 54.87% (391/749) were diagnosed with anemia. The rate of obstetric blood transfusion was significantly higher in the anemia group (79.54%) compared to the normal group (44.41%). The median allogeneic red blood cell transfusion volume in the anemia group was 4.00 U (IQR 2.00-6.00), while in the normal group, it was 0.00 U (IQR 0.00-4.00). The prenatal hemoglobin levels had a non-linear relationship with intraoperative allogeneic blood transfusion rate, massive blood transfusion rate, red blood cell transfusion units, and fresh plasma transfusion volume in patients with placenta previa, with a threshold of 12 g/dL. CONCLUSIONS Our findings suggest that prenatal anemia is associated with a higher rate of blood transfusion-related parameters in women with placenta previa when the hemoglobin level is < 12 g/dL. These results highlight the importance of promoting prenatal care in placenta previa patients with a high requirement for blood transfusion.
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Affiliation(s)
- Baolian Zhang
- Department of Physical Examination Center, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Hong Liu
- Department of Physical Examination Center, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Haiyan Li
- Department of Ultrasound in Obstetrics and Gynecology, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Jia Wang
- Department of Quality Control, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - He Zhu
- Department of Gynecology and Obstetrics, The Second Hospital of Hebei Medical University, 215 West Heping Road, Shijiazhuang, 050000, China
| | - Peijia Yu
- Department of Medical Record, The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xianghua Huang
- Department of Gynecology and Obstetrics, The Second Hospital of Hebei Medical University, 215 West Heping Road, Shijiazhuang, 050000, China.
| | - Wenli Wang
- Department of Gynecology and Obstetrics, The Second Hospital of Hebei Medical University, 215 West Heping Road, Shijiazhuang, 050000, China.
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Zhu Y, Wang L, Qi Q, Cheng Y, Zhu Z, Zeng L. Associations between gestational weight gain under different guidelines and adverse birth outcomes: A secondary analysis of a randomized controlled trial in rural western China. PLOS GLOBAL PUBLIC HEALTH 2024; 4:e0002691. [PMID: 38190379 PMCID: PMC10773947 DOI: 10.1371/journal.pgph.0002691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 11/10/2023] [Indexed: 01/10/2024]
Abstract
Several gestational weight gain (GWG) guidelines have been established based on monocenter or multicenter researches. We aimed to examine the associations between categories of GWG under the Institute of Medicine (IOM) recommendation guideline, the Chinese National Health Commission (NHC) guideline, and weight-gain-for-gestational-age z-scores derived from the INTERGROWTH-21st Project and adverse birth outcomes. We used data from an antenatal micronutrient supplementation trial in rural western China between 2002 and 2006. Maternal weekly average GWG during the second and third trimesters was calculated and classified into inadequate, adequate and excessive GWG according to the IOM and NHC, respectively. Weight-gain-for-gestational-age z-scores derived from the INTERGROWTH-21st Project were grouped into three subgroups using two approaches: z-score percentile<25th, 25th to 75th, >75th and z-score <-1, -1 to 1, >1 SD. Infant birth weight and gestational age were measured using standard approaches. Generalized linear model with binomial family and logit link was applied to estimate the odds ratio (OR) and 95% confidential intervals (CI) for GWG categories and adverse birth outcomes. Among 1,239 women with normal weight (18.5 kg/m2 to 23.9 kg/m2) during early pregnancy, 18.0% and 34.2% were classified as adequate GWG according to IOM and NHC, respectively. Less than half of Chinese women reached optimal GWG by any recommendation guideline. According to NHC, excessive GWG showed a significant association with macrosomia (OR 3.75, 95% CI 1.03, 13.74), large-for-gestation-age (LGA) (OR 2.12, 95% CI 1.01, 4.45), and inadequate GWG was associated with post-term birth (OR 2.25, 95% CI 1.21, 4.16), compared with adequate GWG. Inappropriate GWG was associated with adverse birth outcomes even among women with normal weight during early pregnancy. The monitoring and interventions of weight status during pregnancy, especially for the second and third trimesters, are of great public health importance for optimal birth outcomes. Additionally, developing guideline of appropriate GWG ranges should account for the traits of regional population.
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Affiliation(s)
- Yingze Zhu
- Department of Epidemiology and Biostatistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, P.R. China
| | - Liang Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, P.R. China
| | - Qi Qi
- Department of Epidemiology and Biostatistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, P.R. China
| | - Yue Cheng
- Department of Nutrition and Food Safety Research, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, P.R. China
| | - Zhonghai Zhu
- Department of Epidemiology and Biostatistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, P.R. China
- Center for Chronic Disease Control and Prevention, Global Health Institution, Xi’an Jiaotong University, Xi’an, China
- Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, Xi’an, China
| | - Lingxia Zeng
- Department of Epidemiology and Biostatistics, School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi, P.R. China
- Center for Chronic Disease Control and Prevention, Global Health Institution, Xi’an Jiaotong University, Xi’an, China
- Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, Xi’an, China
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Keya TA. Prevalence and Predictors of Anaemia Among Women of Reproductive Age in South and Southeast Asia. Cureus 2023; 15:e50090. [PMID: 38186440 PMCID: PMC10770578 DOI: 10.7759/cureus.50090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2023] [Indexed: 01/09/2024] Open
Abstract
Background Anaemia is a global public health issue that mostly affects children, women, and adults in low- and middle-income countries. Aim This study sought to evaluate the prevalence of anaemia and its contributing factors among South and Southeast Asian (SSEA) women of reproductive age. Methods Data analysis was undertaken utilising data from 10 SSEA countries' Demographic and Health Surveys. The link between anaemia and independent variables was established using a multivariate logistic regression model with a 95% confidence interval. To investigate the relationship between explanatory variables and anaemia, the Pearson's correlations test was carried out. Results In SSEA, the prevalence of anaemia among women (15-49 years old) was 50.17% (95% CI: 39.4, 61.0), ranging from 13.3% (95% CI: 2.5, 24.1) in the Philippines to 70.3% (95% CI: 59.5, 81.1) in Nepal. Being younger, having rural residents, having lower educational attainment, and being in households with lower wealth quantiles were linked to a higher prevalence of anaemia in most countries. Conclusion The findings of this study imply that a variety of individual characteristics play a role in the higher risk of anaemia. To combat anaemia, evidence-based, multidisciplinary policies and initiatives targeting women's health and nutrition, as well as scaling up women's education, empowerment, and socioeconomic position, are needed.
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Affiliation(s)
- Tahmina A Keya
- Department of Community Medicine, Faculty of Medicine, AIMST (Asian Institute of Medicine, Science and Technology) University, Bedong, MYS
- Department of Community Medicine, Sri Balaji Vidyapeeth Deemed to be University, Puducherry, IND
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Anemia among Women of Reproductive Age: An Overview of Global Burden, Trends, Determinants, and Drivers of Progress in Low- and Middle-Income Countries. Nutrients 2021; 13:nu13082745. [PMID: 34444903 PMCID: PMC8401240 DOI: 10.3390/nu13082745] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 12/03/2022] Open
Abstract
Relatively little progress has been made in reducing anemia prevalence among women of reproductive age (WRA anemia). Interventions, policies and programs aimed at reducing WRA anemia have the potential to improve overall not only women’s, but also children’s health and nutrition outcomes. To our knowledge, this is the first review that aimed to compile evidence on the determinants and drivers of WRA anemia reduction in low- and middle-income countries (LMICs). We synthesized the available evidence on the determinants and drivers, including government policies and programs, of WRA anemia and their mitigation strategies across a wide range of countries and geographies, thus contributing to the complex and multifactorial etiology of anemia. We carried out a systematic review of published peer-reviewed and grey literature assessing national or subnational decline in WRA anemia prevalence and the associated drivers in LMICs. Among the 21 studies meeting our inclusion criteria, proximal determinants of healthcare utilization, especially during pregnancy and with the use of contraceptives, were strong drivers of WRA anemia reduction. Changes in other maternal characteristics, such as an increase in age at first pregnancy, BMI, birth spacing, and reduction in parity, were associated with modest improvements in anemia prevalence. Access to fortified foods, especially iron-fortified flour, was also a predictor of a decrease in WRA anemia. Of the intermediate determinants, an increase in household wealth, educational attainment and access to improved sanitation contributed significantly to WRA anemia reduction. Although several common determinants emerged at the proximal and intermediate levels, the set of anemia determinants and the strength of the association between each driver and WRA anemia reduction were unique in each setting included in this review. Further research is needed to provide targeted recommendations for each country and region where WRA anemia prevalence remains high.
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Associations between Maternal and Infant Illness and the Risk of Postpartum Depression in Rural China: A Cross-Sectional Observational Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17249489. [PMID: 33352886 PMCID: PMC7765791 DOI: 10.3390/ijerph17249489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/12/2020] [Accepted: 12/15/2020] [Indexed: 12/19/2022]
Abstract
This study explored how maternal and infant illness correlated with the risk of postpartum depression in the Chinese Qinba Mountains region. In total, 131 villages comprising 435 families with infants (≤6 months old) were randomly sampled. We collected data on maternal and infant illnesses and maternal health knowledge level. The Depression, Anxiety, and Stress Scale-21 was used to measure the risk of postpartum depression. We used descriptive statistics and multivariate logistic regression for the analysis. Infant overall health status was a risk factor for postpartum depression (odds ratio (OR) = 1.90, 95% Confidence Interval (95% CI) = 1.10~3.28), whereas maternal overall health status was not correlated with postpartum depression (OR = 1.36, 95% CI = 0.55~3.39). For specific illnesses, infants experiencing over two common illnesses in the past two weeks (OR = 1.98, 95% CI = 1.13~3.45) and mothers experiencing over two common pains within two weeks after delivery (OR = 1.77, 95% CI = 1.02~3.08) were risk factors for postpartum depression, whereas infants with mild and severe stunted growth, maternal C-section, and postpartum body mass index (normal or overweight) were not correlated with it (all p > 0.050). Maternal health knowledge was an important moderator of maternal and infant illnesses on the risk of postpartum depression. In conclusion, maternal and infant illness were essential factors for the risk of postpartum depression in a poor rural region in western China, which may be mainly affected by the feeling of uncertainty of illness. Improved maternal and infant health and enhanced maternal health knowledge might alleviate the risk of postpartum depression.
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Lin L, Wei Y, Zhu W, Wang C, Su R, Feng H, Yang H. Prevalence, risk factors and associated adverse pregnancy outcomes of anaemia in Chinese pregnant women: a multicentre retrospective study. BMC Pregnancy Childbirth 2018; 18:111. [PMID: 29685119 PMCID: PMC5914057 DOI: 10.1186/s12884-018-1739-8] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 04/10/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Anaemia in pregnant women is a public health problem, especially in developing countries. The aim of this study was to assess the prevalence and related risk factors of anaemia during pregnancy in a large multicentre retrospective study (n = 44,002) and to determine the adverse pregnancy outcomes in women with or without anaemia. METHODS The study is a secondary data analysis of a retrospective study named "Gestational diabetes mellitus Prevalence Survey (GPS) study in China". Structured questionnaires were used to collect socio-demographic characteristics, haemoglobin levels and pregnancy outcomes from all the participants. Anaemia in pregnancy is defined as haemoglobin < 110 g/L. We used SPSS software to assess the predictors of anaemia and associated adverse pregnancy outcomes. RESULTS The overall prevalence of anaemia was 23.5%. Maternal anaemia was significantly associated with maternal age ≥ 35 years (AOR = 1.386), family per capita monthly income< 1000 CNY (AOR = 1.671), rural residence (AOR = 1.308) and pre-pregnancy BMI < 18.5 kg/m2 (AOR = 1.237). Adverse pregnancy outcomes, including GDM, polyhydramnios, preterm birth, low birth weight (< 2500 g), neonatal complications and NICU admission, increased significantly (P < 0.001) in those with anaemia than those without. CONCLUSIONS The results indicated that anaemia continues to be a severe health problem among pregnant women in China. Anaemia is associated with adverse pregnancy outcomes. Pregnant women should receive routine antenatal care and be given selective iron supplementation when appropriate.
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Affiliation(s)
- Li Lin
- Department of Obstetrics and Gynaecology, Peking University First Hospital, Xi'anmen Street No.1, Xicheng District, Beijing, 100034, China
| | - Yumei Wei
- Department of Obstetrics and Gynaecology, Peking University First Hospital, Xi'anmen Street No.1, Xicheng District, Beijing, 100034, China
| | - Weiwei Zhu
- National Institute of Hospital Administration, Beijing, 100191, China
| | - Chen Wang
- Department of Obstetrics and Gynaecology, Peking University First Hospital, Xi'anmen Street No.1, Xicheng District, Beijing, 100034, China
| | - Rina Su
- Department of Obstetrics and Gynaecology, Peking University First Hospital, Xi'anmen Street No.1, Xicheng District, Beijing, 100034, China
| | - Hui Feng
- Department of Obstetrics and Gynaecology, Peking University First Hospital, Xi'anmen Street No.1, Xicheng District, Beijing, 100034, China
| | - Huixia Yang
- Department of Obstetrics and Gynaecology, Peking University First Hospital, Xi'anmen Street No.1, Xicheng District, Beijing, 100034, China.
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Gao H, Wang Q, Hormann E, Stuetz W, Stiller C, Biesalski HK, Scherbaum V. Breastfeeding practices on postnatal wards in urban and rural areas of the Deyang region, Sichuan province of China. Int Breastfeed J 2016; 11:11. [PMID: 27182280 PMCID: PMC4867090 DOI: 10.1186/s13006-016-0070-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 05/02/2016] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Despite the efforts that have been made to promote breastfeeding in China since the 1990s, there is still a very low prevalence of exclusive breastfeeding. The objective of this study was to assess the current situation of infant feeding practices during the postpartum hospital stay in urban and rural areas of the Deyang region. METHODS Cross-sectional sampling was used in two urban hospitals and five rural clinics in the Deyang region of southwestern China. Interviews with mothers after delivery (urban n = 102, rural n = 99) were conducted before discharge and five focus group discussions were held. RESULTS The prevalence of Caesarean section was high in both urban and rural areas (63.9 % urban vs. 68.4 % rural). After birth, nearly all mothers (98.0 % urban vs. 99.0 % rural) initiated breastfeeding. One week after delivery, the prevalence of exclusive breastfeeding was 8.0 % (9.8 % urban vs. 6.1 % rural), almost exclusive breastfeeding 34.5 % (29.4 % urban vs. 39.8 % rural), mixed feeding 56.0 % (58.8 % urban vs. 53.1 % rural), and exclusive formula feeding 1.5 % (2.0 % urban vs. 1.0 % rural). Breastfeeding initiation (≤ two days after birth) was positively associated (Odds Ratio [OR] 1.97, 95 % Confidence Interval [CI] 1.11, 3.50) with exclusive and almost exclusive breastfeeding, whereas birth length under 50 cm (OR 0.48, 95 % CI 0.26, 0.87), mother's education > 12 years (OR 0.46, 95 % CI 0.24, 0.88) and mother's lack of knowledge about the importance of colostrum (OR 0.35, 95 % CI 0.14, 0.86) were negatively associated with almost exclusive breastfeeding. CONCLUSION Although disparities between urban and rural areas exist, the situation of infant feeding is inadequate in both settings. The high prevalence of Caesarean section, the mothers' poor knowledge of the physiology of breast milk production, the mothers' lack of breastfeeding confidence, the widespread advertising of breast milk substitutes, and the changing perception of the function of breasts, may influence the unfavorable breastfeeding behavior observed in the study area.
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Affiliation(s)
- Haoyue Gao
- />Institute of Social Science in Agriculture (430b), University of Hohenheim, Museumsfluegel, Stuttgart, 70599 Germany
| | - Qi Wang
- />Medical Society of Deyang City, Sichuan, Public Health Bureau of Deyang, Lushan Nan Road No. 299, Jingyang District, Deyang, 618000 China
| | - Elizabeth Hormann
- />Europäisches Institut für Stillen und Laktation, Wittberg 14, Kramsach, 6233 Austria
| | - Wolfgang Stuetz
- />Institute of Biological Chemistry and Nutrition (140a), University of Hohenheim, Garbenstraße 30, Stuttgart, 70599 Germany
| | - Caroline Stiller
- />Institute of Biological Chemistry and Nutrition (140a), University of Hohenheim, Garbenstraße 30, Stuttgart, 70599 Germany
| | - Hans Konrad Biesalski
- />Institute of Biological Chemistry and Nutrition (140a), University of Hohenheim, Garbenstraße 30, Stuttgart, 70599 Germany
- />Food Security Center (793), University of Hohenheim, Wollgrasweg 43, Stuttgart, 70599 Germany
| | - Veronika Scherbaum
- />Institute of Biological Chemistry and Nutrition (140a), University of Hohenheim, Garbenstraße 30, Stuttgart, 70599 Germany
- />Food Security Center (793), University of Hohenheim, Wollgrasweg 43, Stuttgart, 70599 Germany
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Kamruzzaman M, Rabbani MG, Saw A, Sayem MA, Hossain MG. Differentials in the prevalence of anemia among non-pregnant, ever-married women in Bangladesh: multilevel logistic regression analysis of data from the 2011 Bangladesh Demographic and Health Survey. BMC WOMENS HEALTH 2015. [PMID: 26219633 PMCID: PMC4517492 DOI: 10.1186/s12905-015-0211-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Background Anemia is one of the most common public health problems globally, and high prevalence has been reported among women of reproductive age, especially in developing countries. This study was conducted to evaluate differentials in the prevalence of anemia among non-pregnant, ever-married women of reproductive age in Bangladesh, and to examine associations with demographic, socioeconomic, and nutritional factors. Methods Data for this cross-sectional study were taken from the 2011 Bangladesh Demographic and Health Survey (BDHS). In a sub-sample of one-third of the households, all ever-married women of reproductive age (15 to 49 years) were selected for the biomarker component of the survey, including anemia. The sample size for our study was 5,293. Data were analyzed using multilevel logistic regression analysis. Results The prevalence of anemia among non-pregnant, ever-married women was 41.3 % (urban: 37.2 % and rural: 43.5 %). Among anemic women, 35.5 % had mild anemia, 5.6 % had moderate anemia, and 0.2 % had severe anemia. Women with no education were more likely to be anemic than those with secondary education (p < 0.01) or higher education (p < 0.01). Undernourished women (BMI < 18.5) were at greater risk of anemia (p < 0.01) compared with normal women, overweight women, and obese women. Anemia was less pronounced among non-pregnant women using contraception (p < 0.05), Muslim women (p < 0.01), and women living in rich households (p < 0.01). Conclusions The prevalence of anemia among non-pregnant, ever-married women in Bangladesh is high. Illiteracy, poverty, and undernutrition are contributing factors.
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Affiliation(s)
- Md Kamruzzaman
- Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh.
| | - Md Golam Rabbani
- Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh.
| | - Aik Saw
- Department of Orthopaedic Surgery, National Orthopaedic Centre of Excellence for Research and Learning (NOCERAL), University of Malaya, Kuala Lumpur, Malaysia.
| | - Md Abu Sayem
- Divisional TB Expert-Rangpur, National Tuberculosis Control Program, Directorate General of Health Services, Dhaka, Bangladesh.
| | - Md Golam Hossain
- Department of Statistics, University of Rajshahi, Rajshahi, 6205, Bangladesh.
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Ueno M, Ohara S, Inoue M, Tsugane S, Kawaguchi Y. Association between parity and dentition status among Japanese women: Japan public health center-based oral health study. BMC Public Health 2013; 13:993. [PMID: 24144183 PMCID: PMC4015217 DOI: 10.1186/1471-2458-13-993] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Accepted: 10/18/2013] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Several studies have shown that parity is associated with oral health problems such as tooth loss and dental caries. In Japan, however, no studies have examined the association. The purpose of this study was to determine whether parity is related to dentition status, including the number of teeth present, dental caries and filled teeth, and the posterior occlusion, in a Japanese population by comparing women with men. METHODS A total of 1,211 subjects, who participated both in the Japan Public Health Center-Based (JPHC) Study Cohort I in 1990 and the dental survey in 2005, were used for the study. Information on parity or number of children was collected from a self-completed questionnaire administered in 1990 for the JPHC Study Cohort I, and health behaviors and clinical dentition status were obtained from the dental survey in 2005. The association between parity or number of children and dentition status was analyzed, by both unadjusted-for and adjusted-for socio-demographic and health behavioral factors, using a generalized linear regression model. RESULTS Parity is significantly related to the number of teeth present and n-FTUs (Functional Tooth Units of natural teeth), regardless of socio-demographic and health behavioral factors, in female subjects. The values of these variables had a significantly decreasing trend with the rise of parity: numbers of teeth present (p for trend = 0.046) and n-FTUs (p for trend = 0.026). No relationships between the number of children and dentition status were found in male subjects. CONCLUSION Higher-parity women are more likely to lose teeth, especially posterior occluding relations. These results suggest that measures to narrow the discrepancy by parity should be taken for promoting women's oral health. Delivery of appropriate information and messages to pregnant women as well as enlightenment of oral health professionals about dental management of pregnant women may be an effective strategy.
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Affiliation(s)
- Masayuki Ueno
- Department of Oral Health Promotion, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Satoko Ohara
- Department of Comprehensive Oral Health Care, Faculty of Dentistry, Tokyo Medical and Dental University, Tokyo, Japan
| | - Manami Inoue
- AXA Department of Health and Human Security, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo, Japan
| | - Shoichiro Tsugane
- Epidemiology and Prevention Division, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo, Japan
| | - Yoko Kawaguchi
- Department of Oral Health Promotion, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
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