Estradiol (E2), also called oestrogen, oestradiol, is an estrogen steroid hormone and the major female sex hormone. It is involved in the regulation of female reproductive cycles such as estrous and menstrual cycles. During your reproductive years, estradiol is basically the star of the show—the most abundant and powerful of the bunch. It is produced by your ovaries (and to a smaller degree your fat cells and adrenal glands) and is responsible for regulating your menstrual cycle. Estradiol is a form of estrogen, a female sex hormone that regulates many processes in the body. It is available as an oral tablet, a topical gel or patch, vaginal cream, or as an injection. It is used after menopause to reduce vaginal dryness, pain during sex, hot flashes, night sweats, prevent osteoporosis, and to treat advanced prostate cancer. The tablets are also used to treat. Estradiol helps regulate the menstrual cycle and supports bones, skin, mood, sleep, sexual health, and heart wellness. Clinicians check estradiol with a blood test. Estradiol (E2) is an estrogen, which is a steroid sex hormone vital for the maintenance of fertility and responsible for the development and function of reproductive organs and the formation of secondary sex characteristics in women. Estradiol (E2) is one of the three main types of estrogen produced in the body, and it’s the most powerful and active form during the reproductive years. While estrogen refers to a family of related hormones, estradiol is the primary one responsible for menopausal symptoms. Estradiol can be used to help manage the symptoms of menopause. In fact, when used correctly, it can eliminate hot flashes very quickly. Includes Estradiol (Systemic) indications, dosage/administration, pharmacology, mechanism/onset/duration of action, half-life, dosage forms, interactions, warnings, adverse reactions, off-label uses and more. Estradiol is an estrogen hormone. The hormone from the patch, gel, and spray is absorbed through your skin into your body. This medicine is available only with your doctor's prescription.