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Definition of Ovarian pregnancy
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Ovarian pregnancy: An abnormal pregnancy that takes place within the ovary itself due to the development of a fertilized ovum still lodged within an ovarian follicle. This event occurs following anovular menstruation (menstruation without ovulation). The egg that remains in the ovary usually just disintegrates, but in some circumstances it is fertilized and a life-threatening ovarian pregnancy results.