Causes of placental abruption?

summary

Placental abruption refers to pregnant women after 20 weeks of pregnancy or in the delivery period, many pregnant women will encounter this phenomenon in life, in fact, the normal position of the placenta before the delivery of the fetus, part or all of the separation from the uterine wall, known as placental abruption. The symptoms of placental abruption are not obvious, most patients with prenatal bleeding symptoms. Placental abruption is a serious complication in the second and third trimester of pregnancy. If it is not treated in time, it may lead to other diseases, and even endanger the life of mother and child. The pregnant woman placental abruption, must line throws the maternity when necessary. Is placental abruption normal in the second trimester? Now let me introduce it to you

Causes of placental abruption?

First: placental abruption can lead to postpartum hemorrhage. When uteroplacental stroke occurs, the contraction of myometrium is affected, which leads to postpartum hemorrhage. Generally, it can be improved after treatment. If it causes other complications, postpartum hemorrhage is difficult to treat, severe cases will cause shock, multiple organ failure.

Second: placental abruption can lead to acute renal failure. Massive hemorrhage causes severe renal perfusion injury, leading to renal cortex or tubular ischemia and necrosis, and acute renal failure. Placental abruption is often accompanied by hypertension, chronic hypertension and chronic kidney disease. Renal vasospasm also affects renal blood flow.

Third: placental abruption can lead to amniotic fluid blockage. During placental abruption, amniotic fluid can enter the maternal blood circulation through the uterine blood vessels opened on the exfoliative surface, and some amniotic fluid can embolize the pulmonary blood vessels, causing pulmonary hypertension. Pregnant women need to strengthen the maintenance during pregnancy, regular prenatal examination, if there are abnormal symptoms need to see a doctor as soon as possible.

matters needing attention

In late pregnancy or childbirth, pregnant women should do appropriate exercise, avoid lying on their back for a long time, and pay attention to avoid abdominal trauma. If pregnant women need artificial rupture of membranes, it should be carried out in the interval of uterine contraction, and puncture should be carried out under the guidance of B-mode ultrasound, so as to avoid puncture of placenta