Findings

What do systematic reviews say?

7 questions · 7 findings · 1 reviews

No studies found 1 · 14.3%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 4 · 57.1%High 2 · 28.6%

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

Mifepristone (all doses) leads to lower observed number of pregnancies (all women) compared with yuzpe (high certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 0.14 [0.05, 0.41]
3 studies · 2144 participants
High

Side effects · women seeking emergency contraception

Mifepristone (all doses) probably leads to lower any side effect compared with yuzpe (moderate certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 0.83 [0.77, 0.88]
2 studies · 1693 participants
Moderate

Nausea · women seeking emergency contraception

Mifepristone (all doses) probably leads to lower specific side effects ‐ nausea compared with yuzpe (moderate certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 0.63 [0.53, 0.76]
3 studies · 2186 participants
Moderate

Vomiting · women seeking emergency contraception

Mifepristone (all doses) leads to lower specific side effects ‐ vomiting compared with yuzpe (high certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 0.12 [0.07, 0.2]
3 studies · 2186 participants
High

Abdominal pain · women seeking emergency contraception

Mifepristone (all doses) probably leads to lower specific side effects ‐ abdominal pain compared with yuzpe (moderate certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 0.76 [0.61, 0.95]
1 study · 1000 participants
Moderate

Specific side effects ‐ spotting/bleeding after treatment · women seeking emergency contraception

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Menses ‐ delay · women seeking emergency contraception

Mifepristone (all doses) probably leads to higher menses ‐ delay compared with yuzpe (moderate certainty).

1 finding from 1 review

Interventions for emergency contraception 2019 · Cochrane Headline outcomes only
RR 2.83 [2.3, 3.47]
3 studies · 1924 participants
Moderate