Regular vacation refers to menstruation. Menstruation seventeen days after miscarriage is usually abnormal and may be caused by uterine cavity residue, infection and other reasons. When seventeen days after the abortion and vaginal bleeding, is not menstruation, may be due to the uterine cavity residual, infection and other reasons, need to go to the hospital in time, and ultrasound, blood, coagulation function and other tests to assist in the diagnosis, need to be given to follow the doctor’s instructions to promote contraction and anti-infection treatment, if necessary, need to carry out the removal of the uterus. After the abortion, we should pay attention to appropriate rest, increase diet and nutrition, keep the vulva clean and dry, prohibit the pelvic bath and sexual intercourse for 1 month, give antibiotics such as metronidazole to prevent infection as prescribed by the doctor, and repeat the examination on time. When there is a long period of vaginal bleeding, increased bleeding, fever and other conditions need to go to the hospital, and timely treatment. When menstruation occurs seventeen days after the abortion, you need to go to the hospital and have ultrasound examination under the doctor’s guidance to clarify the cause and give timely treatment.