If you have intercourse 23 days after the abortion, there is a possibility of pregnancy if you do not use contraception. After abortion, the uterus and endometrium are traumatized to a certain extent, and the ovarian ovulation function is also inhibited. About 20 days after the abortion, the ovarian function gradually recovered, the function of ovulation also gradually returned to normal, the endometrium roughly repaired. At this time, there are sperm and eggs, may form a fertilized egg and lead to pregnancy, it is recommended to take oral emergency contraceptive pills, such as Yutin or Jin Yutin, within 72 hours after intercourse are effective, so it is safer. Oral emergency contraceptive pills will not affect the recovery of the uterus, if you do not want to take oral can also go to the hospital for ultrasound to see whether the ovaries have ovulated, or use ovulation test paper to detect whether there is ovulation. If the above tests show that there is no ovulation, the chance of pregnancy is relatively low at this time, which is relatively safe.