Fresh showed no clear difference in ongoing pregnancy rate: cumulatively compared with frozen embryo transfer (cumulatively) (moderate certainty).
It is very uncertain whether fresh changes multiple pregnancy rate: cumulatively compared with frozen embryo transfer (cumulatively) (very low certainty).
The review found no eligible studies for this question.
Fresh showed no clear difference in hypertensive disorders of pregnancy: cumulatively compared with frozen embryo transfers (low certainty).
Fresh may leads to higher hypertensive disorders of pregnancy: after first ET compared with frozen embryo transfers (low certainty).
Oxytocin antagonists may leads to higher clinical pregnancy compared with control (low certainty).
It is very uncertain whether non‐pharmacological intervention changes clinical pregnancy compared with non‐pharmacological intervention (very low certainty).
It is very uncertain whether pharmacological intervention changes clinical pregnancyMetformin plus liraglutide vs metformin Met + CC +… compared with pharmacological intervention (very low certainty).
Non‐pharmacological intervention showed no clear difference in ongoing pregnancy compared with no intervention or placebo (low certainty).
The review found no eligible studies for this question.
It is very uncertain whether pharmacological intervention changes clinical pregnancy compared with no intervention or placebo (very low certainty).
Non‐pharmacological intervention showed no clear difference in clinical pregnancy compared with no intervention or placebo (low certainty).
LOD with and without medical ovulation probably leads to lower multiple pregnancy compared with medical ovulation induction alone (moderate certainty).
LOD with and without medical ovulation showed no clear difference in clincial pregnancy compared with medical ovulation induction alone (low certainty).
The review found no eligible studies for this question.
LOD of one ovary (unilateral) may leads to lower clinical pregnancy compared with LOD of both ovaries (bilateral) (low certainty).
IUI in a stimulated cycle showed no clear difference in ectopic pregnancy rate per couple compared with TI or expectant management (low certainty).
IUI in a stimulated cycle showed no clear difference in multiple pregnancy rate per couple compared with TI or expectant management (low certainty).
IUI in a stimulated cycle probably leads to higher pregnancy rate per couple (all cycles)‐ clomiphene citrate or… compared with TI or expectant management (moderate certainty).
IUI in a natural cycle showed no clear difference in multiple pregnancy rate per couple compared with TI or expectant management (low certainty).