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What do systematic reviews say?

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Evidence found and GRADE certainty

4 questions · 8 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 3 · 37.5%Moderate 5 · 62.5%High 0 · 0%

Combined oral contraceptive pill vs no pretreatment

Live birth or ongoing pregnancy · women undergoing assisted reproduction

Combined oral contraceptive pill probably leads to lower live birth or ongoing pregnancy (COCP + Ant vs Ant) compared with no pretreatment (moderate certainty).

2 findings from 1 review

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

Combined oral contraceptive pill vs no pretreatment

Multiple pregnancy rate · women undergoing assisted reproduction

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

2 findings from 1 review

Combined oral contraceptive pill vs no pretreatment

OHSS · women undergoing assisted reproduction

Combined oral contraceptive pill showed no clear difference in OHSS rate (COCP + Ant vs Ant) compared with no pretreatment (low certainty).

2 findings from 1 review