IVF showed no clear difference in live birth rate per woman randomised compared with IUI + ovarian stimulation with gonadotropins or CC (low certainty).
IVF may leads to higher live birth rate per woman randomised compared with unstimulated IUI (low certainty).
IVF showed no clear difference in live birth rate per couple (all cycles) compared with IUI (low certainty).
It is very uncertain whether day 3 changes live birth rate per woman compared with day 2 embryo transfer following IVF or ICSI (very low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
The review found no eligible studies for this question.
It is very uncertain whether long‐term GnRH agonist therapy changes live birth rate compared with no additional therapy (very low certainty).
Glucocorticoid supplementation showed no clear difference in live birth rate compared with placebo (low certainty).
It is very uncertain whether recombinant luteinizing hormone (rLH) combined with recombinant… changes live birth rate compared with rFSH alone (very low certainty).
RhCG showed no clear difference in ongoing pregnancy/live birth rate per woman compared with uhCG (moderate certainty).
It is very uncertain whether rhLH changes ongoing pregnancy/live birth rate per woman compared with uhCG (very low certainty).
The intervention showed no clear difference in live birth rate after the first embryo transfer (low certainty).
The intervention probably leads to lower live birth rate after the first embryo transfer (moderate certainty).
The review found no eligible studies for this question.
Metabolomics showed no clear difference in live birth rate (Delivery of a live fetus after 20 completed weeks… compared with non metabolomics (low certainty).
It is very uncertain whether adjuvant growth hormone changes live birth rate per woman randomised compared with no adjuvant: routine use (very low certainty).
It is very uncertain whether adjuvant growth hormone changes live birth rate per woman randomised compared with no adjuvant: poor responders (very low certainty).
Metabolomics showed no clear difference in live birth rate or ongoing pregnancy (Delivery of a live fetus after… compared with non metabolomics (low certainty).
Metformin showed no clear difference in live birth rate per woman ‐ long protocol GnRH‐agonist compared with placebo or no treatment (low certainty).