Table 4. Causes of infertility of 237 cycles of intrauterine insemination versus pregnancy outcome
Causes of infertility IUI cycles (N=237) Clinical pregnancy (N=18)
Unexplained infertility 60 (25.32%) 5 (27.78%)
Low ovarian reserve 45 (18.99%) 2 (11.11%)
Ovulation factor 41 (17.3%) 6 (33.33%)
Male factor 39 (16.46%) 2 (11.11%)
Endometriosis 31 (13.08%) 1 (5.56%)
Others 16 (6.75%) 2 (11.11%)
Tubal factor 5 (2.11%) 0
IUI=intrauterine insemination