Amniotic Fluid Essay

1733 words - 7 pages

Amniotic Fluid
The happiest moment in the life of a woman is the moment of her first pregnancy. The fetus is inside her uterus surrounded by a thin membrane which is amniotic sac and inside is the amniotic fluid in which that the unborn baby float in it and moves easily. This amniotic fluid is a yellowish liquid and like water, it contains fetal cells and about 98% of water, 2% salts, carbohydrates, proteins, peptides, lipid and electrolyte enzymes (Penn Medicine, 2013). This fluid filled the extracelomic cavity and then the amniotic space become identified and easily to be seen within days of implantation. The amniotic fluid is made from mother's body, so that the water from amniotic fluid is coming from maternal plasma cells that moves through the fetal membranes, this movement could be during after vessels development so that the water and salts will moves from maternal plasma cells across the placenta to fetus and then to the amniotic fluid.
In the early period of embryo the volume of amniotic fluid is about 25 ml at 10 weeks and it increase to about 400 ml at 20 weeks, in this period of time the amniotic fluid composition is similar to fetal plasma (Mark, William & Michael, 2005). Also at this period of time the amniotic fluid serve as a physiological buffer, because it pass across non keratinized fetal skin and the amnion surface, placenta and umbilical cord all are permeable to water and solutes. By the week of gestation which is about week 8, the kidney of fetus start to function and the fetus start to make his own contribution to amniotic fluid and this can be done by swallowing and urinating into the amniotic fluid, so now amniotic fluid is mostly achieved by excretion of fetal urine. Specifically, we can say that fetus swallows the amniotic fluid which pass through their digestive system, kidney and then come out again in the amniotic sac, so from this mechanism or way we can say that the fetal is practicing his digestive system and urinary system before even they are born.
Some amniotic fluid can move from fetal membrane to maternal circulation and this affect the total volume of amniotic fluid minimally. The amount of amniotic fluid is about 800 ml which is greatest amount at about 34 weeks of gestation, and about 600 ml surrounding the baby at 40 weeks (MedlinePlus, 2011).
The amniotic fluid is very important in many different ways, for example it can help the baby organs develop in proper way such as lungs, allow good bone growth and it help baby to move easily, maintain constant temperature and keep the baby warm and serve as lubricating that prevent the baby parts from growing together like fingers and the important thing is that the amniotic fluid works as good shock absorber that prevent the baby from injury.
The amniotic fluid could be harmful for baby depending on it's volume. So that the high volume of amniotic fluid is known as polyhydramions. The measuring of amniotic fluid level can be done by amniotic fluid index...

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