ENDOMETRIN should not be used in individuals with any of the following conditions: Hypersensitivity to progesterone or to any of the excipients.
Undiagnosed vaginal bleeding.
Known missed abortion or ectopic pregnancy.
Severe hepatic dysfunction.
Known or suspected breast or genital tract cancer.
Active arterial or venous thromboembolism or severe thrombophlebitis, or a history of these events.