| Life‐table rates per 100 women for follow‐up (12‐month) | |||
|---|---|---|---|
| Study | Insertion method | TCu 200 | Progestasert |
| Lavin 1983 | Hand | 76.1 | 77.4 |
| Lavin 1983 | Instrument | 69.7 | 67.7 |
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