Respuesta :
A placenta previa in which the placental edge just reaches the internal OS is called Marginal.
Placenta previa is a trouble throughout being pregnant while the placenta completely or partially covers the hole of the uterus (cervix). The placenta is an organ that develops in the uterus during pregnancy. it works to offer oxygen and nutrients to the infant and to take away waste.
Marginal previa, additionally called low-mendacity placenta, is whilst the placenta is near the hole of the cervix but would not cowl it. it can get better on its own before the child is due.
Placenta abruptio, the placenta partly or absolutely detaches itself from the uterine wall earlier than shipping. With placenta previa, the placenta is located over or close to the cervix, within the lower part of the uterus.
Vasa previa includes fetal vessels crossing over the internal OS connecting a bilobed placenta or a succenturiate lobe with the primary placental mass. those vessels are prone to compression in the course of exertions or may tear whilst membranes rupture potentially resulting in fetal exsanguination and neonatal demise.
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