| Primary Cause of inf. | Vaginal (n = 227) | IM (n = 182) | P value |
|---|---|---|---|
| Anovulation n (%) | 20 (9%) | 13 (7%) | 0.5 |
| Male factor n (%) | 125 (55%) | 119 (65%) | 0.03 |
| Pelvic and peritoneal factor n (%) | 19 (8.3%) | 12 (7%) | 0.5 |
| Unexplained n (%) | 18 (8%) | 17 (9%) | 0.6 |
| Other n (%) | 45 (19.7%) | 21 (12%) | 0.02 |