Is placental abruption normal in second trimester

summary

Now there are many female friends in the second trimester of pregnancy will appear the phenomenon of placental abruption, my sister-in-law a few days ago to see when there is such, now I will share with you the second trimester of pregnancy placental abruption normal.

Is placental abruption normal in second trimester

First, placentas are separated from the uterine wall after the delivery of the fetus, and then discharged from the body under the effect of uterine contraction. Placental abruption (referred to as placental abruption) refers to the middle and late pregnancy, the normal position of the placenta before the delivery of the fetus, part or all of the separation from the uterine wall. It is a serious obstetric complication, often acute onset, rapid progress, dangerous, not handled in time, often endangering the lives of mothers and children.

Second, the vascular disease of pregnant women. Pregnant women suffer from pregnancy induced hypertension syndrome, chronic hypertension, chronic kidney disease and other diseases, these diseases can cause the basilar decidual arteriole spasm, infarction, resulting in distal capillary ischemic necrosis, leading to rupture and bleeding. Blood flows between the decidua and the placenta, forming a retroplacental hematoma, which leads to placental detachment. With the increase of bleeding, the area of hematoma and the area of placental dissection increased. The vascular disease of pregnant women is the most important reason of placental abruption, accounting for about half of the incidence.

Third, the uterine venous pressure increased. In the late pregnancy or delivery period, when the pregnant women take supine position for a long time, the huge uterus oppresses the inferior vena cava, resulting in venous reflux obstruction, pelvic vein and uterine vein congestion, venous pressure continues to rise, resulting in excessive congestion, rupture and bleeding of decidual vein, leading to placental detachment.

matters needing attention

When pregnant, women must pay attention to regular prenatal examination, do a good job in pregnancy health care, timely discover and treat pregnancy complications and complications such as pregnancy induced hypertension, eliminate or alleviate the high-risk factors of placental abruption. In order to prevent the occurrence of PIH, iron and calcium should be supplemented during pregnancy. Late pregnancy taboo sex life, pay attention to safety in work or life, do not go to crowded public places, avoid abdominal trauma caused by collision, lead to placental abruption.