A higher number of mature (metaphase II) oocytes were obtained in Group B compared to Group A (OR of 0.47; CI: 0.38–0.57; P < 0.01).
Group A: single dose of gonadotropin-releasing hormone agonist (GnRHa) 0.2 mg, 35 h prior to oocyte retrieval
Group B: 0.2 mg GnRHa 35 h prior to oocyte retrieval + repeat dose of 0.1 mg 12 h following the 1st dose
The odds of clinical pregnancy per patient