Table 2 Comparison of pregnancy outcomes between the NC-IUI and COS-IUI groups
NC-IUIa | COS-IUI | P-value | ||||||
|---|---|---|---|---|---|---|---|---|
Totalb | 1 follicleb1 | ≥ 2 folliclesb2 | a vs. b | b1 vs. b2 | a vs. b1 | a vs. b2 | ||
n | 425 | 176 | 93 | 83 | ||||
Clinical pregnancy (n (%)) | 52 (12.2) | 23* (13.1) | 11(11.8) | 12* (14.5) | 0.787 | 0.658 | 1.000 | 0.588 |
Live birth (n (%)) | 47 (11.1) | 21* (11.9) | 10(10.8) | 11* (13.3) | 0.778 | 0.647 | 1.000 | 0.572 |
Spontaneous abortion (n (%)) | 3 (5.8) | 2 (8.7) | 1(9.1) | 1(8.3) | 0.639 | 1.000 | 0.546 | 0.574 |
Ectopic pregnancy (n (%)) | 2 (3.7) | 1* (4.3) | 0 | 1* (8.3) | 1.000 | 1.000 | 1.000 | 0.458 |
Multiple pregnancy (n (%)) | 0 | 2* (8.7) | 0 | 2*(16.7) | 0.091 | 0.478 | – | 0.033# |