Chorionic tissue - functions, consequences of detachment, causes of detachment

The chorion is the fetal membrane that sits outside the amnion. Composed of two ectodermal and mesodermal layers, the chorion is the outermost fetal membrane. On the outer surface of the chorion, villi are formed to increase the functional surface. During pregnancy, detachment of the chorion is the same as detachment of the placenta. If the chorion comes off sooner than during labor, it can be a serious hazard to both mother and baby.

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1. Chorionic syndrome - functions

The chorion is very important during pregnancy. The chorionic blood vessels connect to the uterus. At the beginning of pregnancy, the chorion produces the HCG hormone and helps to maintain the pregnancy. Around 12-16 weeks, the chorion grows enough to begin to form a normal placenta. Therefore, detachment of the chorion in the first weeks of pregnancy may result in a miscarriage.

2. Chorionic tissue - consequences of detachment

The chorion may peel off during pregnancy. By chorionic villus detachment, we mean sticking of the placenta, which carries the same risk and poses the greatest threat to a developing pregnancy.

In a normally developing pregnancy, the chorion should not be detached, and the placenta should not be detached until the moment of childbirth, and more precisely after the baby is born.

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The detachment of the chorion and placenta gives very distinct and sudden symptoms. When the chorion detaches the woman, she feels very strong and sudden pain in the lower abdomen. Bleeding or spotting may occur due to detachment of the chorion. Such symptoms are an absolute indication for hospitalization and further tests. Detachment of chorion or placenta is very dangerous, so any spotting and pain in the lower abdomen should be checked.

If chorionic villus detachment is minor, it is usually sufficient to lie at home for a few days. However, if the symptoms related to chorionic villus detachment persist or worsen, it is necessary to lie in the hospital until the last day of pregnancy. Then the decision on the time and method of termination of pregnancy rests with the doctor.

A hemorrhage associated with a detachment of the chorion requires immediate termination of the pregnancy. Then every minute counts, because a significant detachment of the placenta means severe hypoxia and death of the fetus. When there is a small detachment of the chorion, this is where a hematoma forms, which can be dangerous for both mother and baby.

3. Chorionic villus - causes of detachment

The chorion can peel off in certain situations. The greater risk of detachment of the placenta is influenced by:

  • age of the woman over 35;
  • smoking;
  • hypertension;
  • termination of pregnancy.

The detachment of the chorion is also affected by injuries in the abdominal area, but the most dangerous are injuries in the late stages of pregnancy.

For most women, the functions of the chorion and placenta are unknown and therefore do not realize how important they are for the proper development of pregnancy. Usually, women focus their full attention on the baby and its proper development. However, it should not be forgotten that the condition of the chorion and placenta also largely affects the health of a woman.

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