Table 2 Demographic and laboratory findings of PCOS and non-PCOS normal responders

Age (years)

26.95 ± 4.28

27.44 ± 3.51

0.430

BMI (kg/m²)

25.12 ± 4.06

22.66 ± 4.69

< 0.001

Infertility duration (yrs)

3 (2–3)

3 (2–3)

0.104

Vitamin D (ng/mL)

12.8 (12–16)

16.1 (15 − 21)

< 0.001

Testosterone (ng/dL)

36.4 (31–38)

17 (16–19.4)

< 0.001

Estradiol (pg/mL)

40.4 ± 3.22

43.6 ± 4.22

0.131

LH (mIU/mL)

8.3 (7–9.5)

5.2 (5–6.3)

< 0.001

FSH (mIU/mL)

5.1 (4–5)

5.2 (4–5)

0.32

HOMA-IR

2.44 ± 0.32

1.39 ± 0.11

< 0.001

Endometrial thickness (mm)

9.5 (9–10)

9.2 (8.7–10)

0.132

Total gonadotropin dose (IU/L)

1623.41 ± 754.3

2649.51 ± 494.6

< 0.001

E2 on the day of hCG (pg/mL)

2870.44 ± 833.7

1965.71 ± 544.8

< 0.001

No. of oocytes retrieved

18.42 ± 5.33

9.51 ± 3.87

< 0.001

MII oocytes

13.25 ± 4,40

5.12 ± 2.08

< 0.001

2 PN zygotes

13/10 (76.9%)

5/4 (80.0%)

0.554