The uterus is a remarkable organ — small in size, but essential to reproduction and hormonal health. Located in the pelvic cavity, the uterus connects to the fallopian tubes and opens into the cervix and vagina. Its layered wall enables: Monthly menstrual shedding Implantation of a fertilized egg Expansion during pregnancy Powerful contractions during labor This animation shows the uterus and its anatomy in 3D — including the fundus, cavity, myometrium, and cervix. Based on SciePro’s 3D anatomy