The intervention showed no clear difference in live birth or ongoing pregnancy Vaginal ring vs vaginal gel (low certainty).
The intervention showed no clear difference in live birth or ongoing pregnancy Subcutaneous vs vaginal gel (low certainty).
It is very uncertain whether the intervention changes live birth or ongoing pregnancy Vaginal vs rectal (very low certainty).
It is very uncertain whether the intervention changes OHSS IM vs oral (very low certainty).
The intervention showed no clear difference in OHSS Low dose vaginal vs high dose vaginal (low certainty).
The intervention showed no clear difference in live birth/ongoing pregnancy ‐ short vs long protocol (low certainty).
It is very uncertain whether the intervention changes live birth/ongoing pregnancy ‐ low vs high dose protocol (very low certainty).
The review found no eligible studies for this question.
hCG may leads to higher OHSS compared with placebo/no treatment (low certainty).
The review found no eligible studies for this question.
It is very uncertain whether progesterone changes live birth or ongoing pregnancy compared with placebo/no treatment (very low certainty).
Progesterone may leads to higher clinical pregnancy compared with placebo/no treatment (low certainty).
The review found no eligible studies for this question.
Progesterone showed no clear difference in live birth or ongoing pregnancy compared with hCG regimens (low certainty).
Progesterone showed no clear difference in clinical pregnancy compared with hCG regimens (moderate certainty).
Progesterone may leads to lower OHSS compared with hCG regimens (low certainty).
Long‐acting FSH (all doses) probably leads to lower live birth rate ‐ Low dose (60 to 120 μg) compared with daily FSH (moderate certainty).
Long‐acting FSH (all doses) showed no clear difference in OHSS ‐ Low dose (60 to 120 μg) compared with daily FSH (moderate certainty).
Long‐acting FSH (all doses) showed no clear difference in OHSS ‐ Medium dose (150 to 180 μg) compared with daily FSH (low certainty).
It is very uncertain whether long‐acting FSH (all doses) changes OHSS ‐ High dose (240 μg) compared with daily FSH (very low certainty).