Paternal race is a risk factor for preterm birth

Lisanne Palomar, Emily A. DeFranco, Kirstin A. Lee, Jenifer E. Allsworth, Louis J. Muglia

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

Abstract

Objective: The purpose of this study was to test the hypothesis that paternal race influences the risk for preterm birth. Study Design: We conducted a population-based cohort study to examine the association of paternal race with preterm birth using the Missouri Department of Health's birth registry from 1989-1997. Birth outcomes were analyzed in 4 categories: white mother/white father, white mother/black father, black mother/white father, and black mother/ black father. Results: We evaluated 527,845 birth records. The risk of preterm birth at <35 weeks of gestation increased when either parent was black (white mother/black father: adjusted odds ratio, 1.28 [95% CI, 1.13, 1.46], black mother/white father: adjusted odds ratio, 2.10 [95% CI, 1.68, 2.62], and black mother/black father: adjusted odds ratio, 2.28 [95% CI, 2.18, 2.39]) and was even higher for extreme preterm birth (<28 weeks of gestation) in pregnancies with a nonwhite parent. Conclusion: Paternal black race is associated with an increased risk of preterm birth in white mothers, which suggests a paternal contribution to fetal genotype that ultimately influences the risk for preterm delivery.

Original languageEnglish
Pages (from-to)152.e1-152.e7
JournalAmerican Journal of Obstetrics and Gynecology
Volume197
Issue number2
DOIs
StatePublished - Aug 2007

Keywords

  • ethnicity
  • pregnancy
  • prematurity
  • preterm birth
  • risk factor

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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