Ch. 19 Amniotic Fluid

Question 1

Amniotic fluid is produced by what 4 things

Answer 1

Fetal kidneys
fetal tissues
fetal skin
fetal membranes

Question 2

How is amniotic fluid absorbed or taken in?

Answer 2

GI tract (drinking)
Lungs (breathing)
Membranes
Umbilical Cord

Question 3

List the functions of amniotic fluid

Answer 3

Acts as a protective cushion
maintains constant pressure and temperature levels
reservoir for fetal metabolites
Essential for development of fetal lungs!!!!

Question 4

Echogenic foci seen in the amniotic fluid is called

Answer 4

Vernix, cellular debris

Question 5

What is the normal AFI range?

Answer 5

5-22 cm

Question 6

What is the normal MVP range?

Answer 6

2-8 cm

Question 7

Oligo is associated with

Answer 7

Demise
Renal abnormalities
IUGR
Post Dates
PROM

TIP- use acronym DRIPP

Question 8

Term for the complete absence of amniotic fluid

Answer 8

Anhydramnios

Question 9

List maternal causes of poly

Answer 9

GDM
Rh incompatibility

Question 10

List fetal causes of poly

Answer 10

CNS anomalies
GI anomalies
facial clefts/masses
fetal hydrops
Twin-to-twin transfusion
sacrococcygeal teratoma
skeletal dysplasia

Question 11

T or F, the rate of complications for amniocentesis (ie pregnancy loss) is substantially high

Answer 11

False. The complication rate is 0.5%

Question 12

Around what GA is an amnio typically performed

Answer 12

around 16 weeks