Table 1 Baseline characteristics of the patients receiving either GnRHa trigger accompanied with intensive luteal steroid support or conventional hCG trigger for final follicular maturation

Cycles (n)

363

257

Age (years)

31 (28–34)

30 (28–34)

0.97

BMI (kg/m²)

20.4 (19.1-21.9)

20.3 (19.2-21.4)

0.59

History of OHSS (n,%)

30 (8.3%)

4 (1.6%)

<0.0001

AMH (ng/ml)

5.85 (4–8.2)

6.17 (4.1-9.2)

0.36

AFC

16 (12–24)

13 (10–17)

0.0001

Aetiology (n,%)

Male

153 (42.1%)

153 (59.5%)

PCOS

102 (28.1%)

45 (17.5%)

Endometriosis

4 (1.1%)

5 (2%)

Tubal disease

62 (17.1%)

50 (19.5%)

Idiopathic

30 (8.3%)

4 (1.5%)

Unclassified

12 (3.3%)