Table 1 The characteristics and basal serum sex hormones of PCOS women
|  | Group A n = 110 | Group B n = 105 | Group C n = 106 |
|---|---|---|---|
Age (years) | 25.87 ± 2.63 | 26.88 ± 2.84 | 26.81 ± 2.64 |
Age of menarche (years) | 14.09 ± 1.43 | 14.62 ± 1.48 | 14.40 ± 1.71 |
BMI (kg/m2) | 22.91 ± 4.05 | 23.80 ± 3.69 | 23.57 ± 3.89 |
  < 18.5 | 8(7.3) | 7(6.7) | 5(4.7) |
 18.5- < 25 | 55(50) | 52(49.5) | 52(49.1) |
 23- < 29 | 15(13.6) | 16(15.2) | 13(12.3) |
  ≥ 30 | 32(29.1) | 30(28.6) | 36(33.9) |
Waist(cm) | 76.3 ± 14.3 | 74.1 ± 11.9 | 74.9 ± 12.2 |
WHR | 0.89 ± 0.08 | 0.87 ± 0.07 | 0.89 ± 0.06 |
Ferriman–Gallwey hirsutism score | 7.54 ± 3.36 | 7.15 ± 2.99 | 7.09 ± 3.10 |
Menarche(year) | 12.9 ± 2.8 | 13.2 ± 2.0 | 13.1 ± 2.9 |
Oligomenorrhea(n, %) | 56(50.9) | 53(50.5) | 55(51.9) |
Amenorrhea (n, %) | 54(49.1) | 52(49.5) | 51(48.1) |
Infertility duration (years) | 2.16 ± 0.56 | 2.02 ± 0.51 | 2.21 ± 0.67 |
Previous live birth (n, %) | 21(19.1) | 19(18.1) | 22(20.8) |
No. of previous pregnancies | 0.60 ± 0.75 | 0.47 ± 0.80 | 0.42 ± 0.54 |
No. of previous ovarian stimulation | 0.89 ± 0.78 | 0.91 ± 1.17 | 1.07 ± 1.06 |
E2 (pg/mL) | 44.47 ± 28.87 | 44.87 ± 30.52 | 45.61 ± 37.42 |
T (nmol/L) | 1.33 ± 0.59 | 1.49 ± 0.52 | 1.51 ± 0.58 |
LH (mIU/mL) | 6.94 ± 3.21 | 7.44 ± 3.45 | 6.85 ± 2.82 |
FSH (mIU/mL) | 5.30 ± 1.67 | 5.29 ± 2.35 | 5.43 ± 2.44 |
PRL (ug/L) | 14.24 ± 7.92 | 14.97 ± 9.97 | 14.76 ± 8.01 |