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Williford EM, Yang W, Howley MM, Ma C, Collins RT, Weber KA, Heinke D, Petersen JM, Agopian AJ, Archer NP, Olshan AF, Williams LA, Browne ML, Shaw GM. Factors associated with infant sex and preterm birth status for selected birth defects from the National Birth Defects Prevention Study, 1997-2011. Birth Defects Res 2024; 116:e2294. [PMID: 38155422 DOI: 10.1002/bdr2.2294] [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: 07/27/2023] [Revised: 11/22/2023] [Accepted: 12/11/2023] [Indexed: 12/30/2023]
Abstract
BACKGROUND Birth defects and preterm birth co-occur, with some overlapping risk factors. Many birth defects and preterm births tend to have a male preponderance. We explored potential risk factors impacting sex and preterm (<37 weeks of gestation) birth differences among infants with selected birth defects delivered from 1997 to 2011 using data from the National Birth Defects Prevention Study (NBDPS). METHODS The NBDPS was a large multisite, population-based case-control study. Using random forests, we identified important predictors of male preterm, female preterm, and male term, each compared with female term births for each birth defect. Using logistic regression, we estimated odds ratios for associations between important predictors and sex-preterm birth status by birth defect. RESULTS We examined 11,379 infants with nine specific birth defects. The top 10 most important predictors of sex-preterm birth status from the random forests varied greatly across the birth defects and sex-preterm comparisons within a given defect group, with several being novel factors. However, one consistency was that short interpregnancy interval was associated with sex-preterm birth status for many of the studied birth defects. Although obesity has been identified as a risk factor for preterm birth and birth defects in other research, it was not associated with sex-preterm birth status for any of the examined defects. CONCLUSIONS We confirmed expected associations for sex-preterm birth status differences and found new potential risk factors for further exploration among the studied birth defects.
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Affiliation(s)
- Eva M Williford
- Birth Defects Registry, New York State Department of Health, Albany, New York, USA
| | - Wei Yang
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
| | - Meredith M Howley
- Birth Defects Registry, New York State Department of Health, Albany, New York, USA
| | - Chen Ma
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
| | - Ronnie T Collins
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
| | - Kari A Weber
- Arksansas Center for Birth Defects Research and Prevention and Department of Epidemiology, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
| | - Dominique Heinke
- Center for Birth Defects Research and Prevention, Massachusetts Department of Public Health, Boston, Massachusetts, USA
| | - Julie M Petersen
- Center for Birth Defects Research and Prevention, Massachusetts Department of Public Health, Boston, Massachusetts, USA
| | - A J Agopian
- Department of Epidemiology, Human Genetics and Environmental Sciences, UTHealth School of Public Health, Houston, Texas, USA
| | - Natalie P Archer
- Environmental Epidemiology and Disease Registries Section, Texas Department of State Health Services, Austin, Texas, USA
| | - Andrew F Olshan
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Lindsay A Williams
- Division of Epidemiology and Clinical Research, Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Marilyn L Browne
- Birth Defects Registry, New York State Department of Health, Albany, New York, USA
- Department of Epidemiology and Biostatistics, School of Public Health, University at Albany, Rensselaer, New York, USA
| | - Gary M Shaw
- Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
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Ludorf KL, Benjamin RH, Canfield MA, Swartz MD, Agopian AJ. Prediction of Preterm Birth among Infants with Orofacial Cleft Defects. Cleft Palate Craniofac J 2023:10556656231198945. [PMID: 37671412 DOI: 10.1177/10556656231198945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023] Open
Abstract
OBJECTIVE To develop risk prediction models for preterm birth among infants with orofacial clefts. DESIGN Data from the Texas Birth Defects Registry for infants with orofacial clefts born between 1999-2014 were used to develop preterm birth predictive models. Logistic regression was used to consider maternal and infant characteristics, and internal validation of the final model was performed using bootstrapping methods. The area under the curve (AUC) statistic was generated to assess model performance, and separate predictive models were built and validated for infants with cleft lip and cleft palate alone. Several secondary analyses were conducted among subgroups of interest. SETTING State-wide, population-based Registry data. PATIENTS/PARTICIPANTS 6774 infants with orofacial clefts born in Texas between 1999-2014. MAIN OUTCOME MEASURE(S) Preterm birth among infants with orofacial clefts. RESULTS The final predictive model performed modestly, with an optimism-corrected AUC of 0.67 among all infants with orofacial clefts. The optimism-corrected models for cleft lip (with or without cleft palate) and cleft palate alone had similar predictive capability, with AUCs of 0.66 and 0.67, respectively. Secondary analyses had similar results, but the model among infants with delivery prior to 32 weeks demonstrated higher optimism-corrected predictive capability (AUC = 0.74). CONCLUSIONS This study provides a first step towards predicting preterm birth risk among infants with orofacial clefts. Identifying pregnancies affected by orofacial clefts at the highest risk for preterm birth may lead to new avenues for improving outcomes among these infants.
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Affiliation(s)
- Katherine L Ludorf
- Department of Epidemiology, Human Genetics and Environmental Sciences, UTHealth School of Public Health, Houston, TX, USA
| | - Renata H Benjamin
- Department of Epidemiology, Human Genetics and Environmental Sciences, UTHealth School of Public Health, Houston, TX, USA
| | - Mark A Canfield
- Texas Department of State Health Services, Birth Defects Epidemiology and Surveillance Branch, Austin, TX, USA
| | - Michael D Swartz
- Department of Biostatistics, UTHealth School of Public Health, Houston, TX, USA
| | - A J Agopian
- Department of Epidemiology, Human Genetics and Environmental Sciences, UTHealth School of Public Health, Houston, TX, USA
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Lubinsky M. An epigenetic association of malformations, adverse reproductive outcomes, and fetal origins hypothesis related effects. J Assist Reprod Genet 2018; 35:953-964. [PMID: 29855751 PMCID: PMC6030006 DOI: 10.1007/s10815-018-1197-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Accepted: 04/25/2018] [Indexed: 12/17/2022] Open
Abstract
VACTERL, the prototype for associated congenital anomalies, also has connections with functional issues such as pregnancy losses, prematurity, growth delays, perinatal difficulties, and parental subfertility. This segues into a broader association with similar connections even in the absence of malformations. DNA methylation disturbances in the ovum are a likely cause, with epigenetic links to individual components and to folate effects before conception, explaining diverse fetal and placental findings and providing a link to fetal origin hypothesis-related effects. The association encompasses the following: (1) Pre- and periconceptual effects, with frequent fertility issues and occasional imprinting disorders. (2) Early malformations. (3) Adverse pregnancy outcomes (APOs), as above. (4) Developmental destabilization that resolves soon after birth. This potentiates other causes of association findings, introducing multiple confounders. (5) Long-term fetal origins hypothesis-related risks. The other findings are exceptional when the same malformations have Mendelian origins, supporting a distinct pathogenesis. Expressions are facilitated by one-carbon metabolic issues, maternal and fetal stress, and decreased embryo size. This may be one of the commonest causes of adverse reproductive outcomes, but multifactorial findings, variable onsets and phenotypes, and interactions with multiple confounders make recognition difficult. This association supports VACTERL as a continuum that includes isolated malformations, extends the fetal origins hypothesis, explains adverse effects linked to maternal obesity, and suggests possible interventions.
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Affiliation(s)
- Mark Lubinsky
- , 6003 W. Washington Blvd., Wauwatosa, WI, 53213, USA.
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Risk Factors Related to the Neonatal Mortality in Kurdistan Province, Iran: A Population-Based Case-Control Study. ACTA ACUST UNITED AC 2017. [DOI: 10.5812/semj.44155] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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A spectrum project: preterm birth and small-for-gestational age among infants with birth defects. J Perinatol 2015; 35:198-203. [PMID: 25275696 DOI: 10.1038/jp.2014.180] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 07/17/2014] [Accepted: 08/05/2014] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The aim of this study is to investigate the association between birth defects (BDs), prematurity and small-for-gestational age (SGA) in a population-based sample. STUDY DESIGN Participants were singleton live births enrolled in the National Birth Defects Prevention Study, including 18 737 case infants with one or more BD and 7999 controls. Logistic regression models to evaluate associations between BDs, prematurity and fetal growth were computed while adjusting for covariates. RESULT Cases were significantly more likely to be born prematurely than controls, particularly at 24 to 28 weeks of gestation. The highest odds ratios for preterm birth were found for intestinal atresia, anencephaly, gastroschisis and esophageal atresia. Infants with BDs were also significantly more likely to be SGA than controls (17.2 and 7.8%). CONCLUSION Infants with BDs are more likely than controls to be born prematurely and SGA. Findings from this study present additional evidence demonstrating a complex interaction between the development of BDs, prematurity and intrauterine growth.
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Abstract
Congenital birth defects and early/premature birth are common complex conditions affecting populations throughout the world, the interaction of which accounts for a significant proportion of neonatal morbidity and mortality. The relationship between these two conditions is not well understood. Several congenital birth defects can directly lead to early delivery. In addition, certain fetal conditions may necessitate early or premature delivery, several of which are also associated with maternal conditions necessitating early birth. Further understanding of both the incidences and causes of congenital birth defects and of early and premature birth will facilitate establishment of strategies to improve neonatal mortality and morbidity.
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Affiliation(s)
- Jonathan R Swanson
- Department of Pediatrics, University of Virginia Children's Hospital, University of Virginia, Box 800386, Charlottesville, VA 22908, USA
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Adams-Chapman I, Hansen NI, Shankaran S, Bell EF, Boghossian NS, Murray JC, Laptook AR, Walsh MC, Carlo WA, Sánchez PJ, Van Meurs KP, Das A, Hale EC, Newman NS, Ball MB, Higgins RD, Stoll BJ. Ten-year review of major birth defects in VLBW infants. Pediatrics 2013; 132:49-61. [PMID: 23733791 PMCID: PMC3691532 DOI: 10.1542/peds.2012-3111] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Birth defects (BDs) are an important cause of infant mortality and disproportionately occur among low birth weight infants. We determined the prevalence of BDs in a cohort of very low birth weight (VLBW) infants cared for at the Eunice Kennedy Shriver National Institute of Child Health and Human Development Neonatal Research Network (NRN) centers over a 10-year period and examined the relationship between anomalies, neonatal outcomes, and surgical care. METHODS Infant and maternal data were collected prospectively for infants weighing 401 to 1500 g at NRN sites between January 1, 1998, and December 31, 2007. Poisson regression models were used to compare risk of outcomes for infants with versus without BDs while adjusting for gestational age and other characteristics. RESULTS A BD was present in 1776 (4.8%) of the 37 262 infants in our VLBW cohort. Yearly prevalence of BDs increased from 4.0% of infants born in 1998 to 5.6% in 2007, P < .001. Mean gestational age overall was 28 weeks, and mean birth weight was 1007 g. Infants with BDs were more mature but more likely to be small for gestational age compared with infants without BDs. Chromosomal and cardiovascular anomalies were most frequent with each occurring in 20% of affected infants. Mortality was higher among infants with BDs (49% vs 18%; adjusted relative risk: 3.66 [95% confidence interval: 3.41-3.92]; P < .001) and varied by diagnosis. Among those surviving >3 days, more infants with BDs underwent major surgery (48% vs 13%, P < .001). CONCLUSIONS Prevalence of BDs increased during the 10 years studied. BDs remain an important cause of neonatal morbidity and mortality among VLBW infants.
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Affiliation(s)
- Ira Adams-Chapman
- Department of Pediatrics, Emory University School of Medicine, and Children’s Healthcare of Atlanta, Atlanta, GA, USA.
| | - Nellie I. Hansen
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, North Carolina
| | - Seetha Shankaran
- Department of Pediatrics, Wayne State University, Detroit, Michigan
| | - Edward F. Bell
- Department of Pediatrics, University of Iowa, Iowa City, Iowa
| | | | | | - Abbot R. Laptook
- Department of Pediatrics, Women & Infants’ Hospital, Brown University, Providence, Rhode Island
| | - Michele C. Walsh
- Department of Pediatrics, Rainbow Babies & Children’s Hospital, Case Western Reserve University, Cleveland, Ohio
| | - Waldemar A. Carlo
- Division of Neonatology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Pablo J. Sánchez
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Krisa P. Van Meurs
- Department of Pediatrics, Division of Neonatal and Developmental Medicine, Stanford University School of Medicine and Lucile Packard Children’s Hospital, Palo Alto, California
| | - Abhik Das
- Social, Statistical and Environmental Sciences Unit, RTI International, Rockville, Maryland; and
| | - Ellen C. Hale
- Department of Pediatrics, Emory University School of Medicine, and Children’s Healthcare of Atlanta, Atlanta, Georgia
| | - Nancy S. Newman
- Department of Pediatrics, Rainbow Babies & Children’s Hospital, Case Western Reserve University, Cleveland, Ohio
| | - M. Bethany Ball
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Rosemary D. Higgins
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
| | - Barbara J. Stoll
- Department of Pediatrics, Emory University School of Medicine, and Children’s Healthcare of Atlanta, Atlanta, Georgia
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