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An amniotic fluid embolism (AFE) is a life-threatening childbirth emergency in which amniotic fluid enters the blood stream of the mother, triggering a serious reaction which results in cardiorespiratory (heart and lung) collapse and massive bleeding (coagulopathy).
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 ...
Amniotic fluid embolism, a condition in which amniotic fluid or other fetal debris enters the maternal circulation, is an extremely rare and catastrophic complication of amniocentesis. [1] Amniotic fluid embolism can result in cardiovascular collapse and has a poor maternal prognosis. [43]
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 ...
Polyhydramnios is a medical condition describing an excess of amniotic fluid in the amniotic sac.It is seen in about 1% of pregnancies. [1] [2] [3] It is typically diagnosed when the amniotic fluid index (AFI) is greater than 24 cm. [4] [5] There are two clinical varieties of polyhydramnios: chronic polyhydramnios where excess amniotic fluid accumulates gradually, and acute polyhydramnios ...
It is characterized by changes in fetal movement, growth, heart rate, and presence of meconium stained fluid. [4] Risk factors for fetal distress/non-reassuring fetal status include anemia, restriction of fetal growth, maternal hypertension or cardiovascular disease, low amniotic fluid or meconium in the amniotic fluid, or a post-term pregnancy.
“Sex during a low-risk pregnancy doesn't pose harm to the developing [fetus], as they are well-protected by amniotic fluid, uterine muscles and the cervix and mucus plug,” says Rhiannon John ...
Amniotic fluid is mildly basic (pH 7.1–7.3) compared to normal vaginal secretions which are acidic (pH 4.5–6). [10] Basic fluid, like amniotic fluid, will turn the nitrazine paper from orange to dark blue. [9] Fern test: A sterile cotton swab is used to collect fluid from the vagina and place it on a microscope slide.