IUD group (N = 971) | IPC group (N = 992) | RR | 95 % CI | P-value (M-H) | |||
---|---|---|---|---|---|---|---|
n | % | n | % | ||||
Pregnancy (total) | 56 | 5.8 | 83 | 8.4 | 0.69 | 0.50 to 0.96 | 0.025 |
Pregnancy outcome: | |||||||
Birth | 29 | 3 | 41 | 4.1 | 0.72 | 0.45 to 1.15 | 0.17 |
Miscarriage | 3 | 0.3 | 3 | 0.3 | |||
Termination | 2 | 0.2 | 2 | 0.2 | |||
Ectopic | 0 | 0 | 1 | 0.1 | |||
Ongoing | 16 | 1.6 | 29 | 2.9 | 0.56 | 0.31 to 1.03 | 0.059 |
Unknown | 6 | 0.6 | 7 | 0.7 |