Journal of Population Sciences
Gross failure rate (GFR) | Difference in rates | |||||
---|---|---|---|---|---|---|
Methods | First year of use (12 months) | Second year of use (24 months) | Third year of use (36 months) | 24 vs.12 months | 36 vs.24 months | 36 vs.12 months |
All reversible# method | 2.80 | 5.14 | 7.08 | 2.34 | 1.94 | 4.28 |
Modern reversible method | 2.62 | 4.44 | 6.13 | 1.82 | 1.69 | 3.51 |
Traditional method | 3.17 | 6.48 | 8.82 | 3.31 | 2.34 | 5.65 |
IUD/PPIUD | 0.54 | 1.05 | 1.05 | 0.51 | 0.00 | 0.51 |
Pill | 2.46 | 4.64 | 7.09 | 2.18 | 2.45 | 4.63 |
Condom | 3.15 | 5.14 | 7.01 | 1.99 | 1.87 | 3.86 |
Rhythm | 3.13 | 5.89 | 8.11 | 2.76 | 2.22 | 4.98 |
Withdrawal | 3.23 | 8.76 | 11.65 | 5.53 | 2.89 | 8.42 |