نتایج جستجو برای: assisted conception
تعداد نتایج: 154782 فیلتر نتایج به سال:
OBJECTIVE To compare obstetrical and neonatal outcomes of twin pregnancies conceived via assisted reproductive technology (ART) with those of naturally conceived ones and to investigate the influence of the ART procedure type on these parameters. PATIENTS AND METHODS This observational study included 450 ART and 647 spontaneous twin pregnancies delivered over 15 years at a single university-b...
BACKGROUND During the past decade in the UK, only one in six cycles of assisted conception has resulted successfully in a live birth. Assisted hatching (AH) has been proposed to improve outcome. This systematic review of randomized controlled trials addresses primary outcomes of live birth, clinical pregnancy and embryo implantation. METHODS Trials on post-fertilization disruption of the zona...
BACKGROUND Fertility treatment is associated with increased risk of major birth defects, which varies between in vitro fertilisation (IVF) and intracytoplasmic sperm injection (ICSI), and is significantly reduced by embryo freezing. We therefore examined a range of additional perinatal outcomes for these exposures. METHODS All patients in South Australia receiving assisted conception between ...
OBJECTIVE To examine the effect of method of conception on adverse pregnancy outcome after the 11-13 weeks scan. METHODS Prospective screening study for adverse obstetric outcomes in women with singleton pregnancies and live fetus with no obvious defects at 11(+0)-13(+6) weeks. The method of conception was recorded as spontaneous, in vitro fertilization (IVF) and assisted by ovulation inducti...
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