Timing Guides
Options based on how much time has passed
Quick Reference
0-24 hours: All options highly effective (95%+)
24-72 hours: Mifestad preferred (95% vs 58%)
72-120 hours: Only Mifestad effective (85%)
Emergency Contraception Within 12 Hours
This is the optimal window for emergency contraception. All EC options are at their highest effectiveness. Take action as soon as possible.
Emergency Contraception Within 48 Hours (2 Days)
Time is important but you still have good options. Levonorgestrel effectiveness is around 85%, while ulipristal acetate remains at 97%.
Emergency Contraception Within 24 Hours
You are still in the highly effective window. Both levonorgestrel (95%) and ulipristal acetate (98%) options are excellent choices.
Emergency Contraception Within 72 Hours (3 Days)
This is the cutoff for levonorgestrel (58% effective). Ulipristal acetate (95% effective) is the preferred option at this point.
Emergency Contraception Within 120 Hours (5 Days)
Only ulipristal acetate (Mifestad) is effective at this point, with approximately 85% effectiveness. This is your last window for pill-based EC.