Controlled ovarian hyperstimulation as a risk factor for ectopic pregnancy

摘要: As part of a case-control study ectopic pregnancy, we evaluated the potential etiologic role controlled ovarian hyperstimulation in population with no previous history pregnancy. Ovulation induction alone was associated an increased risk pregnancy (adjusted odds ratio = 3.98; 95% confidence interval 1.10-14.30). In contrast, ovulation for vitro fertilization did not increase further 2.45; 0.54-11.13). These results suggest that hormonal factors may be involved development