Risk factor | Number | Percentage |
Previous induced abortion | 120 | 59.4% |
Pelvic inflammatory disease | 87 | 43.06% |
Previous spontaneous abtion | 23 | 11.38% |
Previous spontaneous abortion | 23 | 11.38% |
Intra uterine contraceptive device | 21 | 10.39% |
Previous ectopic pregnancy | 11 | 5.44% |