What Is Implantation Bleeding?

Implantable placenta refers to factors such as uterine decidual dysplasia and other reasons. Placental villi can be implanted into the myometrium, causing incomplete placental dissection and major bleeding. This disease is a rare cause of postpartum hemorrhage, but improper treatment can lead to maternal death. It is difficult to determine whether there is a lack of decidua by visual inspection of the placenta. Pathological biopsy can not only clearly diagnose the implantable placenta, but also determine the implantation. Various types of sexual placenta. That is, according to the degree of placental chorionic invasion into the uterine muscle layer, the implantable placenta is divided into an adhesive placenta, an implantable placenta, and a penetrating placenta. However, it is important to point out that because patients with implanted placenta only undergo partial hysterectomy, the diagnosis cannot be completely relied on pathological examination. Clinically, it is more realistic to perform a clinical diagnosis when the placenta is stripped by hand during a cesarean section or after vaginal delivery. significance. Where peeling is difficult, there are still residues of forced peeling, and the peeling surface is rough and bleeding can be diagnosed as implantable placenta. ^[1]

Implantable placenta

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Implantable placenta refers to factors such as uterine decidual dysplasia and other reasons. Placental villi can be implanted into the myometrium, causing incomplete placental dissection and major bleeding. This disease is a rare cause of postpartum hemorrhage, but improper treatment can lead to maternal death. It is difficult to determine whether there is a lack of decidua by visual inspection of the placenta. Pathological biopsy can not only clearly diagnose the implantable placenta, but also determine the implantation. Various types of sexual placenta. That is, according to the degree of placental chorionic invasion into the uterine muscle layer, the implantable placenta is divided into an adhesive placenta, an implantable placenta, and a penetrating placenta. However, it is important to point out that because patients with implanted placenta only undergo partial hysterectomy, the diagnosis cannot be completely relied on pathological examination. Clinically, it is more realistic to perform a clinical diagnosis when the placenta is stripped by hand during a cesarean section or after vaginal delivery. significance. Where peeling is difficult, there are still residues of forced peeling, and the peeling surface is rough and bleeding can be diagnosed as implantable placenta. ^[1]

* The placenta will be firmly combined with the uterus when it is delivered, and it cannot be separated. Barely separating will cause major bleeding and be life-threatening. Risk factors before the occurrence of caesarean section are most common. Once the placenta develops into a cesarean wound in the uterus, you will have the opportunity to eat along the wound into the uterine muscle layer. Other risk factors include endometrial scraping surgery, maternal delivery, etc. * It is important to note that the more caesarean sections are, the more likely it is to occur. If there are more than 4 caesarean sections, if there is a placenta previa, the chance of combined implanted placenta will be more than half.

In the past, prenatal diagnosis was not easy. At present, more than 85% of ultrasound can be diagnosed before birth. Especially, Doppler ultrasound can be used to evaluate the placental blood vessel distribution, which is of great help.

If you have a high degree of suspicion, you should ask the mother to go to a large hospital with an intensive care unit and a blood bank, cooperate with your doctor, and be prepared to have a cesarean section at the selected time. The amount of bleeding may be large. If the placenta is too severe, Make a hysterectomy. This disease should be based on prevention, avoid unnecessary cesarean delivery, and the number of cesarean deliveries should not be too much. The placenta implantation position should be closely tracked during pregnancy.