The first menstruation after abortion is usually after 30-40 days, and some patients may have it for about two months. The exact time varies according to each woman’s body type, because the abortion procedure will more or less damage the endometrium, so it takes some time to recover so that the endometrium can grow and shed normally, triggering the onset of menstruation. The first period after abortion may be different from the period before the abortion, mainly in the volume and color of menstruation, if the patient recovers quickly, there may be little difference, but if the patient has inflammation, there may be a change in the volume of menstruation (increase or decrease), menstrual blood is dark brown, often suggesting inflammation of the uterine cavity, the need for timely medical consultation, the more common lesions are endometritis, endometriosis Endometritis: 1. Endometritis: The surgical wound is highly susceptible to infection after abortion, and endometritis occurs when pathogens invade the uterus. The patient’s menstrual bleeding will increase compared to usual, the period will be prolonged, the menstrual blood will be darker, and lower abdominal pain will also occur. The main clinical antibiotic treatment, common drugs are penicillin, metronidazole, clindamycin, tetracycline, etc., used to control the patient’s infection; 2, cavity adhesions: a more common complication after abortion is cavity adhesions, damaged endometrium in the recovery process of adhesions, when the patient’s menstrual volume will be reduced, and the menstrual blood is dark brown. Usually, the adhesions need to be removed hysteroscopically to effect a cure. The month after abortion is the recovery phase of the endometrium. If you want to have a rapid and regular menstruation, you need to pay attention to the following points: 1. Pay attention to rest: You need to pay attention to rest after abortion and avoid overexertion (physical and mental), usually the doctor can prescribe a 2-week vacation; 2. Pay attention to hygiene: You can take a bath after abortion, but not a tub bath. At the same time, sexual intercourse is prohibited within a month to avoid bacterial infection; 3, take medication on time: after abortion, the doctor will prescribe some hemostatic drugs (phenolsulfonamide, vitamin K1) to control bleeding and drugs to promote mucosal repair (exogenous estrogens such as estradiol valerate tablets) to help contract the uterus, so patients must take them on time and not stop them at will; 4, adequate nutrition. After abortion, we should eat more nutrient-rich foods, such as milk, eggs, lean meat and other protein-rich foods, and also eat more fresh fruits and vegetables to make the body recover as soon as possible.