Article ID Journal Published Year Pages File Type
3970081 Reproductive BioMedicine Online 2015 7 Pages PDF
Abstract

Scheduling gonadotrophin-releasing hormone antagonist (GnRH-ant) cycles for IVF intracytoplasmic sperm injection in patients is a challenge because of unpredictable ovum retrieval procedures on weekends, when less manpower is available. Recently, the use of GnRH-ant pre-treatment to delay an IVF and intracytoplasmic sperm injection (ICSI) cycle showed no negative effect on clinical pregnancy rates. An age-matched, case-control study was conducted to evaluate the effectiveness of such pre-treatment for scheduling purposes. Patients (n = 140) undergoing their first ovarian stimulation for IVF–ICSI were included. Patients starting their stimulation on Tuesdays or Wednesdays were most likely to have their ovum retrieval procedure on Saturdays. Seventy patients received a 3-day course of GnRH-ant before starting stimulation, and were compared with 70 age-matched controls not receiving pre-treatment. The main outcomes were the proportion of ovum retrieval procedures occurring on Saturdays, clinical pregnancy rate and live birth rates. A five-fold reduction in the number of ovum retrievals occurred on Saturdays compared with controls (7.1% versus 34.3%; OR 0.15; 95% CI 0.05 to 0.42; P < 0.001), with no significant differences in clinical pregnancy rate (40.9% versus 37.5%) and live birth rate (27.3% versus 31.3%). GnRH-ant pre-treatment is an effective tool for scheduling of GnRH-ant cycles.

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