Ulipristal acetate (all doses) vs levonorgestrel
Menses ‐ delay · women seeking emergency contraception
Ulipristal acetate (all doses) leads to higher menses ‐ delay compared with levonorgestrel (high certainty).
1 finding from 1 review
- RR 1.65 [1.42, 1.92]2 studies · 3593 participantsHigh