Regestrone 5 MG Tablet is composed of a synthetic hormone (chemical messenger) that mimics progesterone (a female hormone crucial for maintaining the menstrual cycle and pregnancy). Regestrone 5 mg tablets are used to help treat problems related to your menstrual cycle or other hormone-related issues. They contain norethisterone, a synthetic version of the hormone progesterone. Regestrone is a synthetic progestin used for contraception or to treat hormone-related conditions. Learn about its effects, dosage, side effects, food interaction and FAQ on MedicinesFAQ. Regestrone is used for Heavy menstrual bleeding, Pain during menstruation, Endometriosis. Know it’s uses, side effects, reviews, composition and precautions only on 1mg .