Delayed menstruation but the feeling of coming may be affected by emotions, environmental changes, work stress, oral medications can cause delayed menstruation, such as cold weather, individual women will have delayed menstruation, but there will be tightness in the chest, distracted, emotionally unstable, mild swelling of the lower extremities, increased appetite is about to come to the menstrual period. Normal menstruation delayed no more than 7 days, if it is more than 7 days have not come to menstruation, have sex with women need to test the urine pregnancy test to see whether pregnancy, do not have sex with women need to go to the hospital, through the pelvic ultrasound to learn about the thickness of the uterine lining. If the thickness of the endometrium is more than 1.0 centimeter, it is time for menstruation. If the endometrium is thin, you need to adjust your menstruation with medication under the guidance of an endocrinologist or traditional Chinese medicine doctor.