What do systematic reviews say?

Double intrauterine insemination (IUI) vs single IUI

Double intrauterine insemination (IUI) may leads to higher clinical pregnancy ratea compared with single IUI (low certainty).

• Double versus single intrauterine insemination (IUI) in stimulated cycles for subfertile couples 2021 · Cochrane Headline outcomes only
  OR 1.51 [1.23, 1.86]
  9 studies · 2716 participants
  Low