Amniotic Fluid Flashcards
It becomes the largest source to the amniotic fluid during late gestation
Fetal urine
Volume of amniotic fluid
800-1200 mL
What is polyhydromnios
Has the volume of > 1200mL
Failure of the fetus to begin swallowing result
Indication of fetal distress
Associated with neural tube defects
What is oligohydramnios
Less than 800mL
Increased fetal swallowing
Urinary tract deformities
Membrane leakage
Maximum volume of amniotic fluid collected in sterilee syringe
30 mL
Method of collection
Amniocentesis
Normal color of amniotic fluid
Colorless
Dark green color indicstes
Meconium
Yellow color indicates
HDN
Used to evaluate premature rupture of the membrane
Fern test
Positive result of fern test
Presence of fern like crystals due to protiein and sodium chloride content
Amniocentesis is a safe procedure when performed after
14th week of gestation
How to test HDN
Amniotic fluid bilirubin is measured by spectrophotometric analysis