Fertility and sterility
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Fertility and sterility · Jul 2016
Risk factors for ectopic pregnancy in assisted reproductive technology: a 6-year, single-center study.
To explore factors affecting the incidence of ectopic pregnancy (EP) in assisted reproductive technology (ART). ⋯ Irrespective of tubal infertility, for fresh IVF/ICSI cycles the rate of EP is positively associated with ovarian stimulation; for thawed IVF/ICSI cycles, blastocyst transfer or transfer with fewer embryos reduces the EP rate. In IUI cycles, EP is associated with sperm source.