It is very uncertain whether mechanical pressure changes clinical pregnancy rate per randomised woman compared with usual care (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).
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).
Summary of findings table ‐ Aspiration/flush showed no clear difference in clinical pregnancy rate per woman randomised compared with aspiration (low 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).
Assisted hatching may leads to higher clinical pregnancy rate per woman randomised compared with no assisted hatching (low certainty).
It is very uncertain whether G‐CSF changes clinical pregnancy rate per woman randomised compared with no treatment or placebo (very low certainty).
GnRH antagonist showed no clear difference in clinical pregnancy rate per woman randomised compared with long‐course GnRH agonist (moderate certainty).
More showed no clear difference in clinical pregnancy rate per randomised woman compared with less bed rest (low certainty).
It is very uncertain whether fibrin sealant changes clinical pregnancy rate per randomised woman compared with usual care (very low certainty).