Most of the bleeding is caused by the approaching ovulation and the drop of estrogen and progesterone in the body. This phenomenon will bleed for about three days, and the bleeding is not too large, can be treated by regulating drugs, such as oral motherwort granules or Kunling pill. If you are married, it is recommended to have a gynecological examination to rule out any cervical or uterine pathology that may cause the bleeding again. You can do ultrasonography and cervical TCT, but also need to do hormone six tests to see the endocrine situation, to see if there is a lack of estrogen, progesterone secretion caused by bleeding, and then symptomatic medication to regulate.