When is endometrial biopsy done in infertility diagnosis?

when is endometrial biopsy done in infertility diagnosis?

To determine if ovulation has occurred, and whether the lining of the uterus has undergone the changes necessary for the implantation of a fertilized egg.

yes most commonly

Hi Jeev Joshi, Endometrial biopsy was previously the best test of ovulation. It is used in infertility for diagnosis of genital TB or luteal phase defect. Thank you.