Gynaecology & Obstetrics Pituitary down-regulation is done in IVF because of all except A To prevent ovarian hyperstimulation syndrome B To prevent endogeneous LH surges C To prevent premature ovulation D To cause oocyte maturation and ovulation 💡 Explanation Pituitary down-regulation is done in IVF because of all except ✓ Correct Answer: D. To cause oocyte maturation and ovulation