Table 2 Pregnancy outcomes stratified by ovulation induction method
| Characteristic | Natural cycle (n = 1716) | one growth follicle in HMG cycle (n = 1569) | two growth follicles in HMG cycle (n = 288) | one growth follicle vs. natural P value | two growth follicles vs. natural P value |
|---|---|---|---|---|---|
| Clinical pregnancy | 127(7.40%) | 153(9.75%) | 33(11.46%) | 0.016 | 0.020 |
| Live birth | 105(6.12%) | 112(7.14%) | 24(8.33%) | 0.240 | 0.158 |
| Intrauterine Pregnancy | 124 | 147 | 31 | ||
| Miscarriage | 16(12.90%) | 34 (23.13%) | 7(22.58%) | 0.033 | 0.181 |
| Ectopic pregnancy | 3(2.36%) | 6(3.92%) | 4(12.12%) | 0.466 | 0.028 |
| Twin pregnancy | 0(0) | 1(0.65%) | 6(18.18%) | 1.0 | 0 |