: All birth control methods work the best if used correctly and every time you have sex. The vasectomy is one of the lowest failure rates among the birth control methods. The study showed the traditional vasectomy failure rate is 1-3 per 1000 cases; the failure rate would be even lower in no scalpel vasectomy with the fascia clipping technique.
Here is a list of some birth control methods with their failure rates.
Birth control methods and failure rates
(the number of pregnancies expected per 100 women)
| Sterilization surgery for women: | Less than 1 pregnancy |
| Sterilization implant for women: | Less than 1 pregnancy |
| Sterilization surgery for men (vasectomy): | Less than 1 pregnancy |
| Implantable rod: | Less than 1 pregnancy |
| Intrauterine device: | Less than 1 pregnancy |
| Shot/injection (Depo-Provera): | Less than 1 pregnancy |
| Oral contraceptives: | 5 pregnancies |
| Skin patch: | 5 pregnancies |
| Vaginal ring: | 5 pregnancies |
| Male condom | 11-16 pregnancies |
| Diaphragm with spermicide | 15 pregnancies |
| Sponge with spermicide | 16-32 pregnancies |
| Cervical cap with spermicide | 17-23 pregnancies |
| Female condom: | 20 pregnancies |
| Natural family planning (rhythm method): | 25 pregnancies |
| Spermicide alone: | 30 pregnancies |
| Emergency contraception: | 1 pregnancy |
