Table 4.
Sterilization | Implant | IUD, coil, or loop |
Depo- Provera |
Birth control pills |
Cont. patch |
Vaginal ring |
Diaphragm | Spermicide /inserts |
Emer- gency cont. |
Male or female condom |
With- drawal |
“Natural” methods |
|
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
On time/ | 12.2% | 2.4% | 10.6% | 6.9% | 24.1% | 0.3% | 1.5% | 0.2% | 0.5% | 0.5% | 25.6% | 12.1% | 3.2% |
Slightly mistimed | 6.6% | 1.4% | 18.2% | 14.2% | 17.4% | 0.8% | 4.7% | 0.0% | 0.7% | 0.2% | 25.4% | 7.7% | 2.6% |
Seriously mistimed | 8.7% | 6.6% | 18.4% | 14.0% | 20.2% | 1.3% | 2.1% | 0.3% | 0.0% | 0.4% | 21.0% | 6.6% | 0.2% |
Unwanted | 24.0% | 2.2% | 12.0% | 13.1% | 12.5% | 0.2% | 1.0% | 0.0% | 0.7% | 0.9% | 22.7% | 10.5% | 0.2% |
Total | 13.1% | 2.8% | 12.4% | 9.3% | 21.4% | 0.4% | 1.8% | 0.1% | 0.5% | 0.5% | 24.6% | 10.9% | 2.3% |