Obstetric outcomes of elderly primiparous singleton pregnancies conceived by in vitro fertilization compared with those conceived spontaneously

Abstract

Aim:To examine the obstetric outcomes of elderly primiparous singleton pregnancies conceived by in vitro fertilization (IVF) compared with those conceived spontaneously. Methods: Data were collected from primiparous women aged 35 years and older with a singleton pregnancy conceived by IVF (n = 89) or spontaneously (n = 849). Data included antenatal data, gestational age at delivery, obstetric complications, such as pregnancy-induced hypertension, gestational diabetes, placental previa and placental abruption, mode of delivery, birth weight, fetal demise and the Apgar score at 1 min. Results: The elective Cesarean rate in pregnancies following IVF was significantly higher than that in the control group (P = 0.014). However, there were no significant differences in obstetric outcomes between the two groups. Conclusions: The current results did not support the IVF-related risks of elderly primiparous singleton pregnancies. © 2007 The AuthorsJournal compilation © 2007 Japan Society for Reproductive Medicine.