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Table 2 The outcomes of PCOS women in ovulation induction with or without vitamin E

From: Effect of a short-term vitamin E supplementation on oxidative stress in infertile PCOS women under ovulation induction: a retrospective cohort study

 

Group A (n = 110)

Group B (n = 105)

Group C (n = 106)

Total cyclc

345

292

328

HMG dosage (75 IU/bottle)

6.62 ± 2.37

5.29 ± 2.35*△

6.43 ± 2.44

No. of dominant follicles (≥18 mm)

1.44 ± 0.89

1.30 ± 0.74

1.50 ± 0.88

Data on day of HCG administration

 Endometrium thickness (mm)

7.38 ± 1.43

8.33 ± 1.19*△

7.76 ± 2.03

  Mean total E2 (pg/ml)

245.23 ± 126.74

336.51 ± 155.62*△

214.92 ± 114.11

 Mean E2 per mature follicle(pg/ml)

162.55 ± 60.40

261.81 ± 92.88*△

146.61 ± 88.51

Ovulation rate

85 (77.3%)

75 (71.43%)

78 (73.6%)

No. of ovulations/total cycles

85/345(24.6%)

75/292(25.7%)

78/328(23.8%)

Clinical pregnancy rate

31 (28.2%)

29 (27.6%)

25 (23.6%)

Ongoing pregnancy rate

27 (24.5%)

29 (27.6%)

24 (22.6%)

  1. Data is shown as means ± SD. * Compared with group A, P<0.05. △Compared with Group C, P<0.05. Group A: treated without vitamin E, Group B: treat with vitamin E from follicular phase, Group C: treat with vitamin E from luteal phase