Effect of interpregnancy interval after a first pregnancy complicated by placental abruption, on adverse maternal and fetal outcomes in a second pregnancy.

The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
Rebecca L RohdeJen Jen Chang

Abstract

Background: For women who suffer from abruption in the first pregnancy, the extent to which birth spacing has an impact on maternal and fetal outcomes in a second pregnancy remains unclear.Objectives: To examine the effect of interpregnancy interval (IPI) after a first pregnancy complicated by placental abruption, on adverse maternal and fetal outcomes in a subsequent pregnancy.Study design: This was a population-based retrospective cohort study using maternally-linked Missouri birth registry from 1989 to 2005 (n = 2069). Exposure of interest was IPI and outcomes were placental abruption, preeclampsia, preterm birth, small for gestational age, cesarean delivery, and neonatal plus fetal deaths (neofetal death) in a second pregnancy. Logistic regressions were used to assess the association between IPI and the outcomes.Results: Compared with women with an IPI of 1-2 years, those with short IPI (<1 year) were more likely to experience preterm birth (aOR 3.01, 95% CI 1.71-5.28) and neonatal death (aOR 3.52, 95% CI 1.24-10.02) in their subsequent pregnancy. No significant associations between IPI and recurrent placental abruption or preeclampsia were detected.Conclusions: Women who become pregnant in less than a year's time of an ini...Continue Reading

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