What does placenta previa mean

summary

In the process of pregnant women, many sudden and unexpected conditions may lead to the fetus and expectant mothers into life-threatening, placenta previa is a condition that can lead to vaginal bleeding and shock in pregnant women. Therefore, this paper analyzes the related problems of placenta previa.

What does placenta previa mean

First, the normal attachment of the placenta is in the posterior, anterior or lateral wall of the uterine body. If the placenta is attached to the lower uterine segment or covered in the cervix, the position is lower than the fetal presentation, it is called placenta previa.

Secondly: the damage of women's endometrium is the main cause of placenta previa, such as cesarean section, artificial abortion, hysteromyoma surgery and other women, the endometrium and grass-roots will be damaged, the local blood supply after pregnancy is poor, the fetus in order to get more nutrition, the placenta will automatically increase the area, so as to cover the mouth of the uterus, forming a placenta previa Status.

Finally: after 28 weeks of gestation, the rate of placenta enlargement slows down, the rate of uterus enlargement increases faster, the relative position of placenta and cervical orifice changes, once the placenta and cervical dissection, it is easy to cause massive hemorrhage. Therefore, when pregnant women plan to have a second child, especially when the first child is a cesarean section, they should pay special attention to the prenatal examination to determine whether there is placenta previa.

matters needing attention

In the knowledge of placenta previa have a certain understanding, women in pregnancy, should pay attention to all aspects of life, in the late pregnancy, life details should be more careful, should not carry heavy or abdominal effort, in order to avoid danger.