OBJECTIVE To compare the perinatal outcome of singleton and twin pregnancies between natural and assisted conceptions. DESIGN Systematic review of controlled studies published 1985-2002. STUDIES REVIEWED 25 studies were included of which 17 had matched and 8 had non-matched controls. MAIN OUTCOME MEASURES Very preterm birth, preterm birth, very low birth weight, low birth weight, small fo...

Hypoplastic left heart syndrome is a congenital disease which accounts for 8% of all defects. Twin pregnancies have significantly higher risk structural than singleton ones, however the concordance rate has been found to be relatively low, even in monochorionic pregnancies. We describe here favorable evolution monochorionic, diamniotic, twin pregnancy both fetuses were diagnosed with hypoplasti...

Introduction Twin pregnancies are at increased risk, compared to singleton pregnancies, for spontaneous abortions, malformations, low birth weight neonates, and preterm deliveries. Additionally the pregnancies are at greater risk for gestational diabetes, hypertension/ preeclampsia, acute fatty liver, and placental abruption. Because of these increased risks for pregnancy complications and adve...

Objective: To compare the incidence and severity of pregnancy-induced hypertensive disorders in twin pregnancy and in singleton gestation. Study design: Case-control study in the setting of a University HOspital. Each pregnancy of a consecutive series of 187 twin pregnancies attending the antenatal clinic and booked before a gestational age of 24 weeks was matched for maternal age, parity, and ...

STUDY QUESTION Can independent predictors of pregnancy-associated plasma protein-A (PAPP-A) levels be identified in a group of women who conceived following IVF/ICSI? SUMMARY ANSWER The significantly decreased PAPP-A level in IVF and ICSI pregnancies compared with non-IVF/ICSI pregnancies was correlated strongly with the serum estradiol (E2) level at ovulation triggering. WHAT IS KNOWN ALRE...

BACKGROUND It is unclear whether having a Caesarean section results in fewer subsequent pregnancies with longer intervals between pregnancies, an effect which may impact on the reproductive performance of a population. Our aim was to determine the implications of a Caesarean section on the subsequent fecundity and interpregnancy interval. METHODS This is a cohort study. The obstetric follow-u...

OBJECTIVE To compare the adverse maternal and neonatal outcomes of multiple pregnancy and singleton pregnancy from multiple medical centers in Beijing. METHODS Data concerning maternal and neonatal adverse outcomes in multiple and singleton pregnancies were collected from 15 hospitals in Beijing by a systemic cluster sampling survey conducted from 20 June to 30 November 2013. The SPSS softwar...

OBJECTIVE To study the obstetrical and perinatal outcomes of teenage Omani girls with singleton pregnancies at a tertiary teaching hospital. METHODS This is a retrospective case control study. We reviewed obstetric and perinatal outcomes of teenage nulliparous pregnant Omani girls with singleton pregnancies aged 14 to 19 years, delivered at Sultan Qaboos University Hospital, between 1 July 20...