An incomplete medical abortion may not bleed and an ultrasound will need to be done as prescribed to clarify. Medical abortion is a method of terminating an early pregnancy within 49 days by taking medication, which must be carried out under the supervision of a healthcare professional, and it must be clear that the pregnancy is a normal intrauterine pregnancy before taking the medication. However, the most common side effect of the drug abortion is the drug abortion is not clean, but the drug abortion is not clean will mostly be manifested in bleeding time and other side effects, a small number of women may not bleed, but all need to do ultrasound examination to make it clear. Medical abortion must be carried out in a medical institution with formal rescue conditions, and the vaginal bleeding should be closely observed. After the abortion also pay attention to appropriate rest, keep the vulva clean and dry, pay attention to the vaginal bleeding, regardless of the length of time after the abortion vaginal bleeding, should follow the doctor’s instructions in about 1 week ultrasound examination to understand the uterus recovery, and to rule out the possibility of incomplete abortion.