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The amniotic fluid is the protective liquid contained by the amniotic sac of a gravid amniote. This fluid serves as a cushion for the growing fetus, but also serves to facilitate the exchange of nutrients, water, and biochemical products between mother and fetus. For humans, the amniotic fluid is commonly called water or waters (Latin liquor ...
The amniotic sac consists of two parts: The outer membrane is the chorion. It is closest to the mother and physically supports the much thinner amnion. The chorion is the last and outermost of the membranes that make up the amniotic sac. [13] The inner membrane is the amnion. It is in direct contact with the amniotic fluid, which surrounds the ...
Apart from a risk of miscarriage, there is a risk of infection and amniotic fluid leakage. The resulting amniotic fluid leak can develop into a condition known as oligohydramnios, which is low amniotic fluid level. If the resulting oligohydramnios is not treated and the amniotic fluid continues to leak it can result in the baby developing ...
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Often, testing of the amniotic fluid is normal, but a subclinical infection (too small to detect) or infection of maternal tissues adjacent to the amniotic fluid, may still be a contributing factor. In response to infection, the resultant infection and release of chemicals ( cytokines ) subsequently weakens the fetal membranes and put them at ...
If the lack of amniotic fluid prevents accurate visualization on ultraosund, MRI imaging can be considered. Genetic testing can be useful if fetal anomalies are documented on imaging. An elevated maternal serum alpha fetal protein (MSAFP) can indicate leaking amniotic fluid due to damage to fetal membranes or the placenta. This is associated ...
Some degree of weight gain is expected during pregnancy. The enlarging uterus, growing fetus, placenta, amniotic fluid, normal increase in body fat, and increase in water retention all contribute weight gain during pregnancy. The amount of weight gain can vary from 5 pounds (2.3 kg) to over 100 pounds (45 kg).
Leaking or rupture of membranes: Leaking or rupture of membranes may be caused by a gush of fluid or a slow constant trickle of fluid. This is due to a tear in the membrane. Premature rupture of membranes can also result in low amniotic fluid levels. Placental problems: Placental problems may cause low amniotic fluid. If the placenta is not ...