It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes clinical pregnancy compared with no intervention or placebo (very low certainty).
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes adverse events: multiple pregnancy compared with no intervention or placebo (very low certainty).
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes adverse events: ectopic pregnancy compared with no intervention or placebo (very low certainty).
Interventions to reduce blood loss during myomectomy for fibroids showed no clear difference in intravenous injection of tranexamic acid compared with placebo or no treatment (low certainty).
Depot progestagen may leads to higher side effects ‐ injection site reaction compared with other treatment (low certainty).
Repeated single embryo transfer (mixed policies) showed no clear difference in cumulative live birth compared with multiple embryo transfer (low certainty).
Repeated single embryo transfer (mixed policies) probably leads to lower multiple pregnancy compared with multiple embryo transfer (moderate certainty).
Repeated single embryo transfer (mixed policies) showed no clear difference in clinical pregnancy rate compared with multiple embryo transfer (low certainty).
Repeated single embryo transfer (mixed policies) showed no clear difference in miscarriage rate compared with multiple embryo transfer (low certainty).
Single may leads to lower live birth compared with multiple embryo transfer (low certainty).
Single probably leads to lower multiple pregnancy compared with multiple embryo transfer (moderate certainty).
Single may leads to lower clinical pregnancy compared with multiple embryo transfer (low certainty).
Single showed no clear difference in miscarriage rate compared with multiple embryo transfer (low certainty).
It is very uncertain whether embryo culture supernatant changes clinical pregnancy compared with culture medium injection (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.
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.