Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,257 questions · 1,337 findings · 183 reviews

No studies found 175 · 13.1%GRADE not reported 212 · 15.9%Very low 286 · 21.4%Low 341 · 25.5%Moderate 254 · 19%High 69 · 5.2%

LOD with and without medical ovulation vs medical ovulation induction alone

Multiple pregnancy · women with anovulatory PCOS and CC resistance

LOD with and without medical ovulation probably leads to lower multiple pregnancy compared with medical ovulation induction alone (moderate certainty).

1 finding from 1 review

IUI in a stimulated cycle vs TI or expectant management

Multiple pregnancy rate · participants with unexplained subfertility

IUI in a stimulated cycle showed no clear difference in multiple pregnancy rate per couple compared with TI or expectant management (low certainty).

2 findings from 1 review

IUI in a natural cycle vs TI or expectant management

Multiple pregnancy rate · participants with unexplained subfertility

IUI in a natural cycle showed no clear difference in multiple pregnancy rate per couple compared with TI or expectant management (low certainty).

2 findings from 1 review