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Table 1 Main subject and cycle characteristics

From: Evaluation of GnRH antagonist pretreatment before ovarian stimulation in a GnRH antagonist protocol in normal ovulatory women undergoing IVF/ICSI: a randomized controlled trial

Variables

study group (n = 68)

control group (n = 68)

p- value

Age (years), mean ± SD

33.0 ± 3.4

32.1 ± 3.8

0.152

BMI (kg/m2), mean ± SD

21.5 ± 3.5

21.4 ± 3.0

0.812

Infertility duration (years), median (IQR)

3.0(2.0–5.0)

3.3(2.0–6.0)

0.477

AFC(n), median (IQR)

13.0(11.0–17.0)

12.5(10.0–17.0)

0.605

AMH(ng/ml), median (IQR)

2.7(1.9–4.0)

2.7(1.5–4.3)

0.855

Diagnosis of infertility

  

0.377

Tubal factor,n(%)

39/68(57.4)

48/68(70.6)

 

Unexplained infertility,n(%)

4/68(5.9)

5/68(7.4)

 

Male factor, n(%)

10/68(14.7)

8/68(11.8)

 

Combining male and female factors, n(%)

10/68(14.7)

5/68(7.4)

 

Three AIH failure history,n(%)

5/68(7.4)

2/68(2.9)

 

Stimulation length (day), mean ± SD

8.8 ± 1.6

8.6 ± 1.2

0.629

Gn amount(IU), mean ± SD

1766.4 ± 415.8

1813.6 ± 398.2

0.500

GnRH-ant amount after initiating GN

1.09 ± 0.3

1.08 ± 0.3

0.830

Total GnRH-ant amount(mg), mean ± SD

1.8 ± 0.3

1.1 ± 0.3

< 0.001

  1. Note: AMH anti-Mullerian hormone, AFC antral follicle count, BMI body mass index, IQR interquartile range, SD standard deviation, AIH artificial insemination with husband semen, GnRH-ant GnRH antagonist