What do systematic reviews say?

Summary of findings table ‐ Progestogens vs GnRH agonist

Summary of findings table ‐ Progestagen showed no clear difference in oocyte pick‐up cancellation compared with gnRH agonist (low certainty).

• Progestogens for prevention of luteinising hormone (LH) surge in women undergoing controlled ovarian hyperstimulation… 2023 · Cochrane Headline outcomes only
  OR 1.36 [0.46, 4.02]
  1 study · 260 participants
  Low