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|
Method |
Failure rate (%) |
Pregnancies per 10,000 women per year |
|
No birth control |
85% |
8500 |
|
Cervical cap |
30% |
3000 |
|
Sponge |
30% |
3000 |
|
Spermicides |
21% |
2100 |
|
Female condom |
21% |
2100 |
|
Periodic abstinence |
21% |
2100 |
|
Withdrawal |
20% |
2000 |
|
Diaphragm |
10% |
1800 |
|
Male condom |
12% |
1200 |
|
Oral contraceptives |
3% |
300 |
|
Progesterone-T IUD |
2% |
200 |
|
Copper IUD |
0.4% |
40 |
|
Injectable contraceptive |
0.3% |
30 |
|
Tubal ligation |
0.17% |
17 |
|
Combined oral contraceptive |
0.08% |
8 |
|
Vasectomy |
0.04% |
4 |