There may be two bars after a medical abortion because the HCG in the body has not yet fully recovered. If there is a residue in the body, then the body’s HCG recovery will be relatively slow, so with the pregnancy test paper test may be out of the two bar situation. At this time, it is recommended that you can pass the ultrasound to see how large the residue, according to the doctor’s instructions to choose the follow-up treatment program, whether to continue to use the drug or choose to clear the uterus treatment. Ultrasound after drug abortion suggests that there is a residue, the specific treatment method varies according to the amount of residue and the amount of bleeding, it is recommended that patients with intrauterine residual tissue after drug abortion, go to the hospital in a timely manner, to avoid delaying the condition.