Late postpartum hemorrhage clinical symptoms

Written by Yue Hua
Obstetrics and Gynecology
Updated on September 05, 2024
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Late postpartum hemorrhage occurs when significant uterine bleeding happens after the first 24 hours following the delivery of the fetus, commonly seen from one to two weeks postpartum. At this time, patients may experience sudden heavy vaginal bleeding, and some may even develop hemorrhagic shock. A minority of patients might not bleed profusely but may experience recurrent bleeding. Additionally, this bleeding is often accompanied by lower abdominal pain, fever, and symptoms of anemia, so it is critical to seek immediate medical treatment upon noticing these symptoms.

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Written by Yue Hua
Obstetrics and Gynecology
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Late postpartum hemorrhage clinical symptoms

Late postpartum hemorrhage occurs when significant uterine bleeding happens after the first 24 hours following the delivery of the fetus, commonly seen from one to two weeks postpartum. At this time, patients may experience sudden heavy vaginal bleeding, and some may even develop hemorrhagic shock. A minority of patients might not bleed profusely but may experience recurrent bleeding. Additionally, this bleeding is often accompanied by lower abdominal pain, fever, and symptoms of anemia, so it is critical to seek immediate medical treatment upon noticing these symptoms.

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Written by Yue Hua
Obstetrics and Gynecology
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What should be done for late postpartum hemorrhage?

If there is a small or moderate amount of vaginal bleeding, high doses of antibiotics should be administered, along with medications to induce uterine contractions. This can reduce the amount of bleeding after the uterus contracts. If there is suspicion of placental remnants or other residues in the uterine cavity, then a dilation and curettage (D&C) surgery may be necessary. Before surgery, it is essential to prepare blood for transfusion in case of excessive bleeding. Additionally, the tissue removed during the procedure needs to be sent for pathological examination. After the D&C, it is important to continue treatment with anti-inflammatory medications and drugs that promote uterine contraction.

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Written by Yue Hua
Obstetrics and Gynecology
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Causes of Late Postpartum Hemorrhage

Late postpartum hemorrhage is most commonly caused by retained placenta and membranes. About ten days after childbirth, the patient may experience significant bleeding due to the degeneration and necrosis of the retained placental and membrane tissues within the uterine cavity. When these necrotic tissues are shed, it can cause the blood vessels to open and lead to bleeding. Additionally, poor healing of the placental site on the uterus can also cause bleeding, as can infections, with endometritis being relatively common. Inflammation can lead to poor healing of the placental attachment site or poor uterine contraction, resulting in significant uterine bleeding.

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Written by Yue Hua
Obstetrics and Gynecology
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What does postpartum hemorrhage feel like?

Postpartum hemorrhage refers to the condition where, within 24 hours after vaginal delivery, the amount of blood loss reaches 500 milliliters, and in the case of a cesarean section, the blood loss amounts to 1000 milliliters. During this time, the woman may experience a substantial amount of bleeding from the vagina, along with large blood clots. The primary cause of this condition is often significantly associated with poor contraction of the uterine muscles. Post-delivery, the blood sinuses in the uterine muscle layer are open, requiring the uterus to contract. If the contractions are inadequate, it may lead to bleeding from these blood sinuses. Additionally, bleeding could also potentially stem from post-surgical wounds, such as those from a cesarean section or wounds from vaginal delivery.

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Written by Zhang Lu
Obstetrics
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Does postpartum hemorrhage require a blood transfusion?

The definition of postpartum hemorrhage is bleeding greater than 500 milliliters approximately 24 hours after vaginal delivery. Whether blood transfusion is necessary for postpartum hemorrhage mainly depends on the specific amount of bleeding. For average women, if the hemoglobin level is normal before delivery and the bleeding is between 500-1000 milliliters, the body can compensate for the anemia through normal adjustments, and generally, a blood transfusion is not required. However, if the bleeding exceeds 1000 milliliters, this situation is considered massive hemorrhage and must be treated with a blood transfusion, otherwise it may lead to hemorrhagic shock or DIC (Disseminated Intravascular Coagulation).