Oophorectomy is the surgical removal of the ovaries. During the surgery one or both of the ovaries can be removed. When only one ovary is removes it is known as unilateral oophorectomy, while when both of the ovaries are removed, it is known as bilateral oophorectomy. https://www.brooklynabortionclinic.nyc/ovary-removal-surgery-oophorectomy-why-its-done/