It is very uncertain whether higher changes live birth per woman randomised: sensitivity analysis (including all… compared with lower degree of injury (very low certainty).
It is very uncertain whether higher changes miscarriage per woman randomised: sensitivity analysis (including… compared with lower degree of injury (very low certainty).
It is very uncertain whether higher changes clinical pregnancy per woman randomised: sensitivity analysis… compared with lower degree of injury (very low certainty).
Endometrial injury showed no clear difference in miscarriage per woman randomised (studies at low risk of selection… compared with control (moderate certainty).
Endometrial injury showed no clear difference in miscarriage per woman randomised: sensitivity analysis (no high risk) compared with control (low certainty).
Endometrial injury showed no clear difference in clinical pregnancy per woman randomised (studies at low risk of… compared with control (moderate certainty).
Endometrial injury showed no clear difference in clinical pregnancy per woman randomised: sensitivity analysis (no… compared with control (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).
Metformin may leads to lower live birth rate per woman ‐ short protocol GnRH‐antagonist compared with placebo or no treatment (low certainty).
Metformin may leads to lower incidence of OHSS per woman compared with placebo or no treatment (low certainty).
Metformin may leads to higher clinical pregnancy rate per woman ‐ long protocol GnRH‐agonist compared with placebo or no treatment (low certainty).
It is very uncertain whether metformin changes clinical pregnancy rate per woman ‐ short protocol GnRH‐antagonist compared with placebo or no treatment (very low certainty).
Metformin showed no clear difference in miscarriage rate per woman compared with placebo or no treatment (low certainty).
Metformin may leads to higher side effects per woman compared with placebo or no treatment (low certainty).
Clomiphene citrate or letrozole with or without gonadotropins (with… showed no clear difference in live birth per woman compared with gonadotropins (with GnRH agonists or midcycle antagonist) (low certainty).
Clomiphene citrate or letrozole with or without gonadotropins (with… may leads to lower ovarian hyperstimulation syndrome per woman compared with gonadotropins (with GnRH agonists or midcycle antagonist) (low certainty).
Clomiphene citrate or letrozole with or without gonadotropins (with… showed no clear difference in clinical pregnancy rate per woman compared with gonadotropins (with GnRH agonists or midcycle antagonist) (moderate certainty).
Clomiphene citrate or letrozole with or without gonadotropins (with… may leads to higher cancellation rate per woman compared with gonadotropins (with GnRH agonists or midcycle antagonist) (low certainty).