Mimvey is a combination of both Estradiol and Norethindrone, which are estrogen and progesterone respectively. The combination of the two constituents plays a number of roles including the control of major body activities. Regulation of menstruation and ovulation is one of the major roles. This renders the drug a contraceptive. Other roles may be determined by a professional medical practitioner. Mimvey (estradiol/norethindrone) is a combination medication which contains two female hormones; an estrogen and progesterone. Estrogen is a female sex hormone that regulates various processes in the body while Progesterone is a female hormone essential for regulating ovulation and menstruation. Mimvey is used to treat the symptoms of menopause such as vaginal changes, hot flashes as well as prevent osteoporosis in menopausal women. However, this medication may also be used for other purposes as determined by the doctor. Consult your doctor for instructions. Mimvey has several side effects. Some of the common side effects of Mimvey include; increased blood pressure, dizziness, amenorrhea, abdominal cramps, nausea, spotty menstruation, headache, and vomiting. Seek medical attention if any of these side effects occur while taking Mimvey .