The symptoms of long period after abortion, there may be residual tissue in the uterine cavity, it will affect the contraction of the uterus, resulting in a long period of menstrual blood when menstruation. You need to go to the hospital for an ultrasound examination, which can make a clear diagnosis. If it is determined that there are residual tissues, you need to undergo a purging operation to remove the tissues from the uterine cavity, and your menstruation will return to normal. If the uterine cavity is clean on examination, consider menstrual disorders. Some people may have symptoms of endocrine disorders after the surgery, and need to take blood tests for hormone levels. Depending on the hormone problems, the doctor will give guidance on the use of medication to adjust the menstruation back to normal, and most of them are applying Eucerin or Manfrotto, and during the period of oral medication, they must be taken regularly according to the course of treatment, so that the menstruation will return to normal.