A TB-PCR (Tuberculosis Polymerase Chain Reaction) examination of an endometrial sample is a molecular test used to detect the DNA of Mycobacterium tuberculosis in the lining of the uterus (the endometrium). It is primarily used to diagnose female genital tuberculosis (FGTB), a common cause of unexplained infertility, repeated IVF implantation failures, or chronic pelvic pain.Chikhali Chinchwad