IVF showed no clear difference in clinical pregnancy rate per woman randomised compared with IUI + ovarian stimulation with gonadotropins or CC (low certainty).
It is very uncertain whether IVF changes clinical pregnancy rate per woman randomised compared with expectant management (very low certainty).
It is very uncertain whether IVF changes clinical pregnancy rate per woman randomised compared with unstimulated IUI (very low certainty).
G‐CSF may leads to higher clinical pregnancy rate ‐ 2 or more IVF failures compared with no treatment or placebo (low certainty).
It is very uncertain whether glucocorticoids changes clinical pregnancy rate per couple – subgroup IVF compared with no glucocorticoids or placebo (very low certainty).
G‐CSF showed no clear difference in clinical pregnancy rate ‐ unselected or unstated IVF number compared with no treatment or placebo (low certainty).
It is very uncertain whether day 3 changes clinical pregnancy 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.
It is very uncertain whether transvaginal aspiration of hydrosalpingeal fluid changes clinical pregnancy rate compared with laparoscopic salpingectomy (very low certainty).
The review found no eligible studies for this question.
Repeated single embryo transfer (mixed policies) showed no clear difference in clinical pregnancy rate compared with multiple embryo transfer (low certainty).
It is very uncertain whether long‐term GnRH agonist therapy changes clinical pregnancy rate compared with no additional therapy (very 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 agonist or midcycle antagonist) (low certainty).
RhCG showed no clear difference in clinical pregnancy rate per woman compared with uhCG (moderate certainty).
It is very uncertain whether rhLH changes clinical pregnancy rate per woman compared with uhCG (very low certainty).
Glucocorticoid supplementation showed no clear difference in clinical pregnancy rate per woman/couple compared with placebo (low certainty).
Brief co‐incubation may leads to higher clinical pregnancy rate per randomized woman compared with standard insemination (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).
It is very uncertain whether adjuvant growth hormone changes clinical pregnancy rate per woman randomised compared with no adjuvant: routine use (very low certainty).
Adjuvant growth hormone may leads to higher clinical pregnancy rate per woman randomised compared with no adjuvant: poor responders (low certainty).