Amniotic Fluid | Nursing Lecture 

Amniotic fluid protects the fetus, in the womb till membranes remain intact, here in this video important points are discussed briefly, under the following headings.
1. Characteristics
-Alkaline
osmolality 260 mOsmo/L
-Recycled every 3 hours
-99%water & 1 % dissolved subs.
2. Sources
Maternal plasma
Fetal skin
Fetal urine
3. Regulation /circulation
1. Fetal urine
2. Fetal lung secretion
3. Fetal swallowing
4. Intramembranous flow
4. Fluid volume
12 weeks- 50 ml
16 weeks- 200 ml
40 weeks- 800 ml
42 weeks- 200 ml
5. Color
Normal -Pale straw-colored
6. Function
-Protect fetus
-Allows free movement & growth
-Hydrostatic pressure help in cervical dilatation
7. Measurement
AFI = 5-25 c.m.
SDP = 2-8 c.m.
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