Measures for postpartum hemorrhage

Written by Yue Hua
Obstetrics and Gynecology
Updated on September 16, 2024
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Postpartum hemorrhage refers to a situation where there is blood loss exceeding 500 milliliters within 24 hours after the birth of a child. Initially, massaging the uterus should be performed, as most of this bleeding is due to poor uterine contraction, and the doctor can press on the uterus from above the patient's lower abdomen. Additionally, high doses of uterotonic drugs can be used to induce uterine contraction. If these measures do not reduce bleeding, packing the uterine cavity with gauze can be employed to stop the bleeding from the uterus. Furthermore, if the bleeding is very severe, embolization of the uterine artery or the internal iliac artery can be done to halt the uterine bleeding.

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Written by Tang Mei Xiang
Obstetrics and Gynecology
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The main causes of postpartum hemorrhage

There are four main causes of postpartum hemorrhage: one is uterine atony, two is due to trauma in the soft birth canal, three is due to placental factors, and four is coagulation dysfunction. Uterine atony is the most common cause of postpartum hemorrhage clinically. Various factors can lead to uterine atony, such as maternal exhaustion during labor due to not eating, leading to physical decay, which can also cause uterine atony. Additionally, an excessively large uterus, such as from excessive amniotic fluid, twins, or triplets, can lead to poor uterine contraction and retraction rates after childbirth. As for injuries in the soft birth canal, they mainly occur due to insufficient protection of the perineum during childbirth or inappropriate use of vacuum assistance during the second stage of labor, causing trauma in the soft birth canal. Placental factors include placental adhesion, placenta accreta, partial placental abruption, and retained placenta, all of which can lead to postpartum bleeding due to placental issues.

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Written by Zhao Li Li
Obstetrics
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Can postpartum hemorrhage be stopped?

Postpartum hemorrhage primarily refers to bleeding from the vagina exceeding 500 milliliters within 24 hours after the delivery of the fetus, and bleeding exceeding 1000 milliliters for cesarean deliveries. It is classified as postpartum hemorrhage. Normally, active hemostatic symptomatic treatment should be pursued in cases of bleeding after childbirth. The majority of cases are often caused by poor uterine contraction, which significantly raises the likelihood of postpartum hemorrhage. Generally, it is necessary to actively use drugs that promote uterine contractions to help in reducing bleeding by aiding the contraction of the uterus.

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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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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 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.