Timing intrauterine insemination either 33 or 39 hours after administration of human chorionic gonadotropin yields the same pregnancy rates as after superovulation therapy

Fertility and Sterility
Paul ClamanDenise Collins

Abstract

To compare a short and long interval between hCG administration and IUI after superovulation for the treatment of infertility. Prospective, randomized clinical trial. University hospital-based fertility clinic. Patients planning superovulation and IUI for the treatment of infertility. Patients with >or=2 years of infertility enrolled for superovulation and IUI treatment were randomized to IUI after a short (32-34-hour) or long (38-40-hour) interval after hCG injection. Superovulation was accomplished with hMG or recombinant FSH, with dose adjustment until the maturation of two to five follicles, at which time hCG was given. Sperm was prepared with a gradient centrifugation technique, with IUI performed high up in the uterine fundus. Pregnancy rates. Of the 348 patient cycles randomized, 270 treatment cycles were initiated. Eighty-one initiated cycles were canceled, leaving 189 completed randomized cycles from 75 patients for analysis. Pregnancy rates were not significantly different between groups. There were pregnancies in 20 of the 96 short hCG-IUI interval cycles (21%) and in 14 of the 93 long hCG-IUI interval cycles (15%) (odds ratio = 0.673, 95% confidence interval 0.297-1.518). Pregnancy rates are the same after superovul...Continue Reading

Citations

Sep 3, 2008·Journal of Assisted Reproduction and Genetics·Tansu Kucuk
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