Endometriosis

Reproduce This! All about endometriosis

Reproduce This! All about endometriosis

According to Johns Hopkins Medicine, the endometrium is the layer of tissue inside the uterus. The endometrium grows during each menstrual cycle to prepare for a fertilized egg. If no eggs are fertilized during the menstrual cycle, the endometrium is shed during what is commonly known as a period, according to Cleveland Clinic.