نتایج جستجو برای: multiple pregnancies
تعداد نتایج: 778467 فیلتر نتایج به سال:
This paper examines the effects of individual, household and community characteristics on two aspects of fertility among South African women – the age at first conception and the number of pregnancies. We find that education has a significant effect in pushing back the age at first conception and in reducing the number of pregnancies. There is a thresh-hold level of education that must be attai...
There is increased risk of early pregnancy loss after assisted reproduction. In this study the use of serum human chorionic gonadotrophin (HCG) concentrations on day 12 after in-vitro fertilization (IVF) and embryo transfer was evaluated to predict pregnancy outcome. A total of 417 IVF pregnancies were included. Early pregnancy loss was defined as biochemical pregnancies, ectopic pregnancies an...
This study was carried out to explore associations between assisted reproductive technology (ART) and maternal and neonatal outcomes compared with similar outcomes following spontaneously conceived births. We conducted a retrospective cohort study of pregnancies conceived by ART (N = 2641) during 2006-2014 compared to naturally conceived pregnancies (N = 5282) after matching for maternal age an...
Polyhydramnios occurs in 1-2% of pregnancies and may be idiopathic in more than half of the cases. The diagnosis of idiopathic polyhydramnios can be made only in the absence of maternal diabetes, fetal anomalies, aneuploidies, multiple gestation, Rh incompatibility, placental tumours and non-immune hydrops. Rarely, idiopathic polyhydramnios may be recurrent in future pregnancies and sometimes n...
ObjectivesTwin pregnancy has risks of adverse outcomes for mother and baby. Data synthesis is required to gain evidence aid recommendations but may be hampered by variations in outcome reporting.Study designSystematically review reported twin trials (PROSPERO - CRD42019133805). Searches were performed MEDLINE, EMBASE, CINHAL, Cochrane library (inception-January 2019) randomised control or their...
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