Ulipristal acetate (all doses) vs levonorgestrel
Observed number of pregnancies (all women) · women seeking emergency contraception
Ulipristal acetate (all doses) leads to lower observed number of pregnancies (all women) compared with levonorgestrel (high certainty).
1 finding from 1 review
- RR 0.59 [0.35, 0.99]2 studies · 3448 participantsHigh