What do systematic reviews say?

Metformin vs placebo co‐treatment

Metformin may leads to higher live birth rate (per woman) compared with placebo co‐treatment (low certainty).

• Metformin during ovulation induction with gonadotrophins followed by timed intercourse or intrauterine insemination… 2017 · Cochrane Headline outcomes only
  OR 2.31 [1.24, 4.33]
  2 studies · 180 participants
  Low