The first month after the abortion, the menstrual flow with clots may be related to poor uterine repair, endometrial inflammation, intrauterine residue or the use of emergency contraceptives, etc. 1. Poor uterine repair: In the process of surgical operation, surgical instruments for the endometrium inevitably cause damage, or the patient is highly nervous, weak, etc. can lead to poor uterine repair, resulting in blood clots during menstruation, and Heavy menstrual flow. You can take oral medication to promote uterine contraction, such as motherwort, etc.; 2, endometrial inflammation: inflammatory changes in the endometrium due to various reasons, usually caused by bacterial infection, can lead to heavy menstrual flow with blood clots, generally with cephalosporin antibiotics or tinidazole for intravenous infusion treatment; 3, intrauterine residue: after abortion, there are residues in the uterus not completely scraped, or there is bruising retained in the uterine cavity, resulting in heavy menstrual flow with blood clots. At this time, you need to go to the hospital for ultrasound examination to clarify the situation of intrauterine tissue residue. If the residue is small, you can take some blood-boosting and stasis-removing drugs, such as motherwort, to speed up the discharge of the residual tissue. For those who have more residues, they need to do the operation to clear the uterus; 4. Use of emergency contraceptive pill: After abortion, sex happens too early, and there is no strict contraception, and the emergency contraceptive pill is taken by oneself, there can be withdrawal bleeding, if it is close to the time of menstruation, it is shown as menstruation with more blood clots. It is recommended to observe more, pay attention to rest and nutrition without discomfort, and sexual intercourse should not occur again within one month after the operation; if the bleeding volume is large, you need to seek medical attention and give hemostatic treatment. After the abortion, pay attention to rest, avoid getting cold, change underwear regularly, keep the vulva clean and dry, you can also drink a little brown sugar water properly and keep the abdomen warm.