Gynaecology & Obstetrics The best time of the menstrual cycel for endometrial biopsy in infeility investigation is : A First day of menstruation B One week after the onset of menstruation C Just near due date of the next menstruation D On the 15th day of the onset on menstruation 💡 Explanation The best time of the menstrual cycel for endometrial biopsy in infeility investigation is : ✓ Correct Answer: C. Just near due date of the next menstruation