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Total Pregnancy and Survival Rates per One Hundred Women Pregnant Within Twelve Months of Use (N = 216).
| Months | SR | SE | Preg. | N |
|---|---|---|---|---|
| 1 | .985 | .009 | 3 | 196 |
| 3 | .979 | .010 | 1 | 167 |
| 6 | .946 | .018 | 5 | 139 |
| 9 | .913 | .023 | 4 | 101 |
| 12 | .859 | .032 | 5 | 75 |
Note: Total pregnancy rates include all pregnancies outside of the inclusion criteria, SR = survival rate per one hundred women over twelve months of use, SE = standard error, Preg. = number of pregnancies per every three months of use, and N = number of women exposed.
