Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews · Headline outcomes only

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 100%Moderate 0 · 0%High 0 · 0%

Miscarriage per clinical pregnancy · women with gonadotropin plus oral (clomiphene citrate or letrozole) stimulation

Progesterone showed no clear difference in miscarriage rate per clinical pregnancy compared with placebo/no treatment (low certainty).

1 finding from 1 review

Miscarriage per clinical pregnancy · women with oral (clomiphene citrate or letrozole) stimulation

Progesterone showed no clear difference in miscarriage rate per clinical pregnancy compared with placebo/no treatment (low certainty).

1 finding from 1 review