On average, menopause sets in at 51, and it’s normal to enter menopause between 40 and your mid-50s. But it can set in during your 30s, triggered by genetics, an autoimmune disease, or a medical situation like cancer treatment. If your period gets unpredictable and you start getting hot flashes, menopause could be on the horizon.
MORE: The Telltale Symptoms of Early Menopause