3 months do not come how does menstruation do

3 months do not come menstruation, may be pregnancy, stress and emotional factors, weight changes, menopause, lifestyle factors, drugs and other reasons, need to be treated according to the etiology. 1. Pregnant If there is sexual life, menstrual delay may be a sign of pregnancy. Can use pregnancy test stick or go to the hospital for pregnancy test. 2. Stress and mood factorsChronic stress, anxiety or mood swings can affect hormonal balance and lead to irregular menstruation. Try relaxing yourself by doing stress-reducing activities such as exercise, meditation or seeking psychological support.3. Weight changesExcessive dieting or significant weight gain can affect menstruation. Maintaining a healthy diet and moderate weight is important to maintain a normal menstrual cycle. 4. Menopause For women approaching menopause, irregular menstruation may be normal. However, it is still recommended to consult a doctor to ensure that there are no other health problems. 5. Lifestyle factors Unhealthy lifestyles such as staying up late, excessive drinking, smoking, etc. may also affect menstruation. Improving lifestyle habits may help restore normal menstrual cycles. 6. Drugs Taking Drugs Menstruation disorders (e.g. contraceptives, hormonal medications) can occur. Ask your doctor if you need to perform tests or adjust your medications. Your doctor will usually perform a detailed history, physical examination, and laboratory tests as necessary to determine the cause of your delayed menstruation. Depending on the situation, hormone therapy, diet and lifestyle changes, or treatment for related disorders may be recommended.