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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.