| Unexposed (n = 148) | Exposed (n = 50) | P value |
---|---|---|---|
Male age, yr | 33 (30, 39) | 33 (31, 37) | 0.946 |
Female age, yr | 32 (29, 37) | 32 (30, 35) | 0.578 |
Female BMI, kg/m2 | 21.1 (21.9, 22.4) | 21.6 (19.8, 23.8) | 0.536 |
FSH, mIU/mL | 7.50 (6.20, 9.10) | 7.1 (6.4, 8.9) | 0.633 |
AMH, ng/mL | 2.28 (1.03, 4.47) | 2.09 (1.36, 3.52) | 0.855 |
AFC | 9 (5, 17) | 8 (5, 15) | 0.896 |
Infertility type | Â | Â | 0.688 |
Primary, % | 62.8 (93) | 66.0 (33) | Â |
Secondary, % | 37.2 (55) | 34.0 (17) | Â |
Infertility duration, yr | 2 (1, 3) | 1 (1, 3) | 0.512 |
Infertility causes | Â | Â | 0.921 |
Female factors, % | 68.9 (102) | 70.0 (35) | Â |
Male factors, % | 14.2 (21) | 13.6 (6) | Â |
Both female and male factors, % | 16.9 (25) | 17.2 (9) | Â |
No. of ART sessions | 1 (1, 2) | 1 (1, 2) | 0.513 |
Operation types | Â | Â | 0.738 |
IVF, % | 54.7 (81) | 52.0 (26) | Â |
ICSI, % | 45.3 (67) | 48.0 (24) | Â |
COH protocol | Â | Â | 0.976 |
GnRH-agonist, % | 32.4 (48) | 34.0 (17) | Â |
GnRH-antagonist, % | 48.6 (72) | 48.0 (24) | Â |
Othersa, % | 18.9 (28) | 18.0 (9) | Â |
Gn duration, d | 10 (9, 11) | 10 (8, 11) | 0.664 |
Gn dosage, IU | 2400 (1913, 3000) | 2550 (1892, 3094) | 0.634 |
Estradiol on HCG day, pg/mL | 1827 (1050, 2680) | 1709 (1077, 2608) | 0.925 |
Progesterone on HCG day, ng/mL | 0.71 (0.43, 1.05) | 0.72 (0.32, 1.07) | 0.924 |
Endometrium thickness on HCG day, mm | 10.5 (8.7, 13.0) | 10.8 (8.9, 12.1) | 0.805 |