Gynaecology & Obstetrics Endometrial biopsy in infertility” is done at A 3-6 days of menstrual cycle B 5-7 days of menstrual cycle C 21 - 23rd day of the menstrual cycle D 24 - 26th days of the menstrual cycle 💡 Explanation Endometrial biopsy in infertility" is done at ✓ Correct Answer: C. 21 - 23rd day of the menstrual cycle