This is embryologically attributed to segmental local atrophy and failure of canalization ... with retention of the uterus and formation of a fistulous tract with a retained catheter.

Some common causes of Post Menopausal Bleeding are: 1. Endometrial Atrophy i.e. Thinning of Uterine lining 2. Vaginal Atrophy i.e. Thinning and Inflammation of Vaginal lining. 3. Endometrial ...