| Direct risk factors Of infertility | Types of infertility | p-value | |
| Primary infertility (n = 90) | Secondary infertility (n = 21) | ||
| Disease of ovary | 17 | 6 | 0.1 |
| Ovulation failure | 23 | 4 | |
| Tubular disease | 4 | 3 | |
| Uterine disease | 12 | 4 | |
| Pelvic Inflammatory Disease | 12 | 0 | |
| Unrecognized | 17 | 4 | |
| Multiple factors | 5 | 0 | |