Perimenopausal Menstrual Cycle Perimenopause, which means “around menopause,” refers to the 2 to 8 years of changing hormone levels and related symptoms that lead up to menopause. The most common sign of perimenopause is longer, often irregular menstrual cycles that are caused by hormonal ups and downs. Most women start perimenopause between ages 39 and […] ↓ Read the rest of this entry…