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Table 2 Stimulation cycle parameters

From: Cycle scheduling for in vitro fertilization with oral contraceptive pills versus oral estradiol valerate: a randomized, controlled trial

Characteristics OCP (n = 50) E2(n = 50) Pvalue
Pretreatment days 14.5 ± 1.7 7.8 ± 1.9 <0.001
Stimulation days 10.0 ± 1.7 10.6 ± 1.5 0.09
Total FSH dose (IU) 1,627 ± 565 1,692 ± 488 0.54
Peak E 2 (pg/ml) 1,527 ± 729 1,596 ± 774 0.84
Peak P (ng/ml) 0.6 ± 0.3 0.5 ± 0.2 0.52
Cancellation rate 6% (3/50) 4% (2/50) 0.99
Retrieved oocytes 9.6 ± 4.9 10.2 ± 6.0 0.61
Fertilization rate (%) 64.0 ± 19.4 61.3 ± 20.8 0.52
Top-quality embryos 3.0 ± 2.2 3.0 ± 2.4 0.93
Transferred embryos 1.6 ± 0.4 1.4 ± 0.6 0.07
  1. Continuous data are expressed as mean ± SD.