The following are some of the more common complications after abortion: 1. bleeding, if the woman is pregnant, the contractions will not be good, so it will increase the bleeding symptoms. 2. uterine perforation, which is a more serious complication after abortion. 3. abortion reaction, the patient will have symptoms such as bradycardia, decreased blood pressure, dizziness and chest tightness. 4. This is a condition in which a woman has residual pregnancy tissue after an abortion. 5. Infection, which is also common, can occur in many women after an abortion, such as acute endometritis and pelvic inflammatory disease, so antibiotics should be used to prevent treatment after surgery. 6. The disease of menstrual disorders, cervical adhesions, chronic pelvic inflammatory disease and secondary infertility can occur.