Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 50%High 1 · 50%

Mid‐dose mifepristone (25 mg‐50 mg) vs low‐dose mifepristone (< 25 mg)

Observed number of pregnancies (all women) · women seeking emergency contraception

Mid‐dose mifepristone (25 mg‐50 mg) leads to lower observed number of pregnancies (all women) compared with low‐dose mifepristone (< 25 mg) (high certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 0.73 [0.55, 0.97]
25 studies · 11914 participants
High

Mid‐dose mifepristone (25 mg‐50 mg) vs levonorgestrel 1.5 mg

Observed number of pregnancies (all women) · women seeking emergency contraception

Mid‐dose mifepristone (25 mg‐50 mg) probably leads to lower observed number of pregnancies (all women) compared with levonorgestrel 1.5 mg (moderate certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 0.61 [0.45, 0.83]
27 studies · 6052 participants
Moderate