Usually, Chinese women go through menopause between the ages of 45-55. It is normal for a woman to have an early or pushed back, irregular menstrual cycle after the age of 47. Irregular menstrual cycles at this time suggest that the process of perimenopause, irregularity to menopause, has entered. This is a normal physiological menopause and does not require any special treatment or anxiety. During this period estrogen will gradually decline, resulting in calcium loss, at this time you can start calcium supplementation, relax and just let nature take its course. The above content is for reference only, please refer to the doctor’s face-to-face guidance for specific medication and treatment.