If the placenta peels away from the inner wall of the uterus before delivery - either partially or completely - a condition known as placental abruption develops. Here's what you need to know about these conditions: After delivery, retained placenta is sometimes a concern. A C-section delivery might be required.ĭuring pregnancy, possible placental problems include placental abruption, placenta previa and placenta accreta. Placenta previa can cause severe bleeding in the mother before or during delivery. The placenta might partially or completely cover the cervix, as shown here. In placenta previa, the placenta is located low in the uterus. In most pregnancies, the placenta is located at the top or side of the uterus. The placenta is a structure that develops in the uterus during pregnancy. Trauma to your abdomen - such as from a fall, auto accident or other type of blow - increases the risk of the placenta prematurely separating from the uterus (placenta abruption). Certain placental problems are more common in women who smoke or use cocaine during pregnancy. The risk of having problems with the placenta might be higher if placental problems occurred during a previous pregnancy. Previous surgery on the uterus, such as a C-section or surgery to remove fibroids, increases the risk of certain problems with the placenta. Any condition that either impairs the blood's ability to clot or increases its likelihood of clotting increases the risk of certain placental problems. Being pregnant with more than one baby, might increase the risk of certain problems with the placenta. High blood pressure can affect the placenta. If the sac leaks or breaks before labor begins, also called water breaking, the risk of certain problems with the placenta increases. During pregnancy, the baby is surrounded and cushioned by a fluid-filled membrane called the amniotic sac. Some problems with the placenta are more common in older people, especially after age 40. Various factors can affect the health of the placenta during pregnancy.
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