What’s wrong with a woman who has back pain for days on end and delayed menstruation?

Women with back pain for several days in a row delayed menstruation may be caused by PMS, endometriosis and other diseases, but also need to consider the early pregnancy reaction.
1. premenstrual syndrome: premenstrual syndrome is considered to be caused by ovarian hormone imbalance, mental, neurotransmitter abnormalities and other factors, the patient will have breast swelling and pain, back pain, anxiety and other manifestations, resulting in the patient to appear for a few days in a row back pain and delayed menstruation symptoms.
2. Endometriosis: endometriosis is caused by immune function, heredity, environment and other factors, the patient will have dysmenorrhea, abnormal menstruation, painful sexual intercourse and other symptoms, resulting in patients with back pain for a few days delayed menstruation.
3. Early pregnancy reaction: If the patient is in early pregnancy, it may be due to the increase of estrogen and progesterone in the body and other factors that cause the patient to experience delayed menstruation, fatigue, headache, lumbago and other symptoms, so the patient will have a few consecutive days of back pain and menstruation delayed performance.
When patients experience back pain for several consecutive days and delayed menstruation, it may be caused by premenstrual syndrome, and the symptoms will disappear after the onset of menstruation. If it is caused by other diseases or pregnancy, the patient should consult a doctor in time.