Gynaecology & Obstetrics Mechanism of action of Clomiphene citrate used for infeility:- A Block estrogen receptors in the hypothalamus B Negative feedback on HPO axis C Direct action on ovarian primordial follicles D Increase in tubal motility 💡 Explanation Mechanism of action of Clomiphene citrate used for infeility:- ✓ Correct Answer: A. Block estrogen receptors in the hypothalamus