Recommendations for additional contraceptive precautions when switching from combined hormonal contraception to another method
| Current CHC use (used correctly) | Switching to | ||||||
| CHC | POP | DMPA | IMP | LNG-IUD | Cu-IUD | ||
| Week 2 or 3 (and subsequent weeks of continuous CHC use) OR Day 1-2 of HFI | None | None | None | None | If day 1 of HFI : None | None | |
| If day 2 of HFI follow advice for day 3-7 below | |||||||
| Week 1 after HFI OR Day 3-7 of HFI | No UPSI since start of the HFI | Condoms for 7 days | Condoms for 2 days | Condoms for 7 days | Condoms for 7 days | Condoms for 7 days | None |
| UPSI since the start of the HFI | Restart/continue CHC until active pills, patch or ring used for 7 consecutive days THEN Switch as for weeks 2 or 3 | Start immediately AND restart/continue CHC until active pills, patch or ring used for 7 consecutive days | None | ||||