If you have fresh blood again 15 days after delivery, it may be caused by tissue residue, uterine cavity infection, lack of contraction, poor healing of the cesarean incision, or laceration of the cervical opening. It is recommended to go to the hospital in time to find out the cause of incomplete dew, and treat the cause. Common causes and treatment methods 1, tissue residue: the pregnancy tissue is not completely removed, part of the tissue residue in the uterine cavity, at this time, in addition to the malodorous dew, but also accompanied by bleeding, blood clots, abdominal pain and other symptoms. Usually, the treatment of uterine evacuation is chosen and postoperative medication to prevent infection and promote uterine contraction is given. 2. Uterine infection: Uterine infection can lead to foul-smelling malodor, abdominal pressure pain, and fever, and some patients may have fresh blood and elevated total white blood cells. Anti-infection treatment is usually given, such as cephalosporins as prescribed by the doctor, and breast milk is not recommended during the medication period; 3. Lack of contractions: poor contraction of the uterus after delivery, residual fluid and blood in the uterus, resulting in irregular vaginal bleeding, ultrasound suggests a large uterus, fluid in the uterine cavity, and a high possibility of blood accumulation. Treatment is often opted for intramuscular injection of contraction or intrauterine drip to promote uterine contraction, and oral antibiotics to prevent infection if necessary. Adhere to breastfeeding, which is conducive to postpartum uterine contraction and recovery; 4. Poor healing of cesarean incision: If the incision of cesarean delivery is poorly healed or cracked causing bleeding, the malodex will turn red. You should go to the hospital in time for hemostatic treatment; 5. Cervical lacerations: If the mother has lacerations at the cervical opening during labor and delivery and has not fully recovered, she will also have fresh blood 15 days after delivery when the dew is almost clean, usually pay attention to rest to gradually recover, if the bleeding is high, you need to go to the hospital, check the wound recovery, stitch if necessary and give anti-infection treatment. Pregnant women insist on breastfeeding after delivery to help contractions and discharge of postpartum dew. Observe the color, odor and nature of the postpartum dew. If there is any abnormality, it is recommended to go to the hospital for medical consultation to clarify the cause and treat the cause.