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To compare pregnancy outcomes between shorter and longer in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) cycles using GnRH antagonist protocol.Retrospective cohort analysis at a large military academic hospital. A total of 351 patients underwent 412 IVF/ICSI cycles using a GnRH antagonist protocol from September 2002 through May 2008. Clinical pregnancy and live birth rates for all IVF/ICSI cycles were compared independently for both total length of ovarian stimulation with gonadotropins (10 days vs.or = 10 days) and GnRH antagonist use (4 days vs.or = 4 days), respectively.Clinical pregnancy rates were 54.6% among cycles with total gonadotropin use10 days vs. 48.6% for those cyclesor = 10 days, odds ratio 0.82 (0.53-1.27); live birth rates were 50.0% vs. 47.7%, odds ratio 0.91 (0.59-1.42). Clinical pregnancy rates were 54.0% among cycles with GnRH antagonist use4 days vs. 52.8% with GnRH antagonist useor = 4 days, odds ratio 0.95 (0.62-1.45); live birth rates were 46.8% vs. 50.4%, odds ratio 1.15 (0.76-1.76).Clinical pregnancy and live birth rates are not adversely affected by longer IVF/ICSI cycles using GnRH antagonists.

Noncommunicating, rudimentary uterine horns are often removed to prevent potential pregnancy complications or to treat patients who develop pain from functional endometrium within the horn. Historically, these have been removed via laparotomy. Recently, resections of noncommunicating uterine horns have been performed laparoscopically using many different devices. We report 3 patients who underwent laparoscopic resection using the harmonic scalpel.Three patients were diagnosed with this condition at our institution between 2000 and 2003. All underwent laparoscopic resection using the harmonic scalpel without complications. All patients were discharged from the hospital on the day of surgery. Two patients subsequently had term vaginal deliveries.Resection of a rudimentary uterine horn by laparoscopy using the harmonic scalpel is an option for patients diagnosed with noncommunicating, rudimentary uterine horns. This modality might offer some advantages for patients who must undergo resection.