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Included women and exposure times.
| Number of Women | |
|---|---|
| Registered | 26,967 |
| Included in study | 22,785 |
| Contributed >3 months | 19,534 |
| Contributed >6 months | 15,224 |
| Contributed >12 months | 6,944 |
| Contributed >18 months | 2,684 |
Women included in the study logged at least 20 data points. The times “contributed” are between the woman’s start date and the censoring due to being lost to follow-up, pregnant or reaching the end of the study.
