Table 1 Baseline patient characteristics of the CC and the control groups

Age (years)

30.2 ± 5.9

30.0 ± 4.8

0.902

BMI (kg/m²)

25.6 ± 5.0

25.4 ± 5.4

0.893

Primary sterility

31 (75.6)

20 (83.3)

0.545

Nulliparity

36 (87.8)

22 (91.7)

1.000

TSH (μU/ml)

1.42 ± 0.96

1.79 ± 0.80

0.123

Estradiol (pg/mL)

60.71 ± 39.60

59.75 ± 29.07

0.613

Prolactin (ng/mL)

14.5 ± 8.9

13.5 ± 5.3

0.919

LH (mU/mL)

11.8 ± 4.9

13.0 ± 6.0

0.408

FSH (mU/mL)

5.9 ± 1.8

6.2 ± 1.5

0.518

LH:FSH ratio

2.1 ± 0.8

2.1 ± 0.8

0.885

Total testosterone (ng/mL)

0.43 ± 0.15

0.44 ± 0.15

0.804

Free testosterone (ng/mL)

0.30 ± 0.21

0.30 ± 0.19

0.936

Androstenedione (ng/mL)

2.77 ± 1.25

3.01 ± 1.13

0.446

SHBG (nmol/L)

46.0 ± 20.2

44.2 ± 27.3

0.767

AMH (ng/mL)

8.08 ± 4.27

8.07 ± 4.25

0.994

Dose of second CC stimulation cycle: 100 mg^a

17 (41.5)

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