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- Title
Parental age difference and adverse perinatal outcomes in the United States.
- Authors
Kinzler, Wendy L.; Ananth, Cande V.; Smulian, John C.; Vintzileos, Anthony M.
- Abstract
This study was undertaken to examine the relationship between paternal and maternal age differences and adverse perinatal outcomes in the United States. Data were obtained on singleton pregnancies delivering at >or=20 weeks gestation in the United States in 1995-97 from the National Center for Health Statistics data sets. Adverse perinatal outcomes that were evaluated included fetal death rate (>or=20 weeks), preterm delivery <37 weeks and small-for-gestational-age (SGA) births (birthweight <10th centile for gestational age and corrected for sex). Age difference was defined as paternal minus maternal age. The analysis included 8995274 pregnancies (11.3% blacks, 88.7% whites). An increase in fetal death rate, preterm delivery and SGA births was noted among white women who were older than their male partners. For black mothers older than their partners, there was an increase in fetal death rate when the women were <20 years old, but a decrease in fetal death rate when >35 years old. Neither rates of preterm delivery nor SGA births were increased much for black women with varying parental age differences. This demonstrates that race and maternal age both contribute to the effects of parental age difference on adverse perinatal outcomes.
- Subjects
UNITED States; PERINATAL death; AGE factors in human reproduction
- Publication
Paediatric & Perinatal Epidemiology, 2002, Vol 16, Issue 4, p320
- ISSN
0269-5022
- Publication type
journal article
- DOI
10.1046/j.1365-3016.2002.00449.x