Findings

What do systematic reviews say?

1 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 2 · 100%High 0 · 0%

Combined oral contraceptive pill vs no pretreatment

Pregnancy loss · women undergoing assisted reproduction

Combined oral contraceptive pill showed no clear difference in pregnancy loss (COCP + Ant vs Ant) compared with no pretreatment (moderate certainty).

2 findings from 1 review

Oral contraceptive pill, progestogen or oestrogen pretreatment for ovarian stimulation protocols for women undergoing… 2017 · Cochrane Headline outcomes only
OR 1.36 [0.82, 2.26]
5 studies · 868 participants
Moderate
Oral contraceptive pill, progestogen or oestrogen pretreatment for ovarian stimulation protocols for women undergoing… 2017 · Cochrane Headline outcomes only
OR 0.4 [0.22, 0.72]
5 studies · 780 participants
Moderate