If it is normal, the nausea and vomiting usually disappears about a week after the abortion. If there is an incomplete abortion, the nausea and vomiting will continue, and the nausea and vomiting will stop only after treatment. Pregnancy vomiting is usually triggered by the stimulation of the bowels by progesterone in the woman’s body. After an abortion, the level of progesterone in the body slowly decreases and the nausea and vomiting will gradually disappear, usually within a week or so. If the symptoms of nausea and vomiting have not disappeared and are accompanied by vaginal bleeding, it is possible that the abortion is incomplete and there is intrauterine residue. At this time, you should go to the hospital for review, ultrasound, blood HCG examination, when the pregnancy tissue is completely removed, nausea, vomiting can disappear. After abortion, you should pay attention to rest, light diet, pay attention to the cleanliness and hygiene of private parts, avoid taking a bath, and prohibit sexual intercourse within one month. If the symptoms of nausea and vomiting persist and cannot be relieved, it is recommended to go to the hospital in time for standardized treatment under the guidance of the doctor.