It is very uncertain whether intraovarian injection of autologous platelet‐rich plasma changes ongoing pregnancy compared with no intervention (very low certainty).
It is very uncertain whether intraovarian injection of autologous platelet‐rich plasma changes clinical pregnancy compared with no intervention (very low certainty).
It is very uncertain whether intrauterine injection of autologous platelet‐rich plasma changes clinical pregnancy compared with no intervention (very low certainty).
It is very uncertain whether intrauterine injection of autologous platelet‐rich plasma changes adverse events: ectopic pregnancy compared with no intervention (very low certainty).
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes live birth (or ongoing pregnancy) compared with no intervention or placebo (very low certainty).
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).
IVF showed no clear difference in clinical pregnancy rate per woman randomised compared with IUI + ovarian stimulation with gonadotropins or CC (low certainty).
IVF showed no clear difference in multiple 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).
The review found no eligible studies for this question.
It is very uncertain whether IVF changes clinical pregnancy rate per woman randomised compared with unstimulated IUI (very low certainty).
It is very uncertain whether IVF changes multiple pregnancy rate per woman randomised compared with unstimulated IUI (very low certainty).
Summary of findings table ‐ Antibiotics showed no clear difference in clinical pregnancy rate (CPR) compared with control (no antibiotics) (low certainty).
It is very uncertain whether the intervention changes pregnancy rate (clinical or positive urine pregnancy test) (very low certainty).
The intervention showed no clear difference in time to pregnancy (low certainty).
The intervention showed no clear difference in clinical pregnancy rate (low certainty).
The intervention probably leads to higher pregnancy rate(clinical pregnancy or urine pregnancy test) (moderate certainty).
It is very uncertain whether the intervention changes time to pregnancy (very low certainty).