Irregular menstruation may be caused by a variety of reasons, including surgical injury, infection, intrauterine residues, combined diseases, etc. The cause needs to be clarified after relevant examination and treated for the cause. Common causes and treatment 1, surgical damage: surgery can cause damage to the endometrium, the endometrium is shed and thinned, and menstruation may become irregular during the recovery process, including early, delayed, shortened periods, etc. Some people may be delayed to 2-3 months, so you can observe first to see if menstruation can return to regularity; 2, endocrine disorders: when women experience unplanned pregnancy and abortion surgery, they may have anxiety The hormonal changes in the body after pregnancy and abortion may cause endocrine disorders, which may lead to irregular menstruation, you can first try to adjust the psychological state, if necessary, you can consult a professional psychologist, you can also go to the gynecology department to check the hormone six, if necessary, follow the doctor’s instructions for appropriate treatment; 3, infection: the surgical process, improper post-operative care Inflammation can make the endometrium thinner and even cause cervical adhesions, resulting in shortened periods, amenorrhea and other symptoms, which may be accompanied by fever and lower abdominal pain, and the application of antibiotics such as metronidazole and amoxicillin can eliminate the infection, and when cervical adhesions or even septicemia occur, the uterus needs to be cleared; 4. It may cause irregular menstruation, severe abdominal pain, vaginal bleeding, etc. It is necessary to confirm the diagnosis under vaginal ultrasound, perform a curettage and stop the bleeding; 5. Combined diseases: If there are fibroids in combination, there are usually symptoms such as abnormal vaginal bleeding, irregular menstruation and anemia before abortion, which may be aggravated or unchanged after abortion. In addition, ovarian lesions and cervical cancer may lead to irregular menstruation, so you should pay more attention to the symptoms and have regular gynecological examination for early diagnosis and treatment. After the abortion, to promote the recovery of the endometrium, you should follow the medical advice, pay attention to hygiene, such as diligent change of sanitary napkins and underwear, diet can be appropriate to eat more food containing high protein, pay attention to emotional adjustment, do not over-stress.