Amniotic Fluid

Question 1

What produces amniotic fluid?

Answer 1

kidneys
tissues
skin
membranes
pg. E 182

Question 2

How is amniotic fluid removed?

Answer 2

GI to GU tract
lungs
membranes
cord
pg. E 182

Question 3

What are the functions of amniotic fluid?

Answer 3

protective cushion
equalization of pressure and temperature
prevents adherence to membranes
reservoir for fetal metabolites
development of fetal lungs
pg. E 182

Question 4

What might be echogenic foci floating in amniotic fluid?

Answer 4

vernix caseosa
cellular debris
pg. E 182

Question 5

What is a normal AFI?

Answer 5

5-22 cm

pg. E 182

Question 6

What is considered oligohydramnios?

Answer 6

< 5 cm

pg. E 183

Question 7

What is oligohydramnios associated with?

Answer 7

Demise
Renal abnormalities
IUGR
Post dates
PROM
Pre-elcampsia
pg. E 183

Question 8

What is considered polyhydramnios?

Answer 8

> 22 cm
vertical pocket 8 cm (mild) - > 16 cm (severe)
pg. E 183

Question 9

What causes polyhydramnios?

Answer 9

gestational diabetes
Rh incompatibility
CNS anomalies
GI anomalies
facial clefts
fetal hydrops
twin-to-twin transfusion
sacrococcygeal teratoma
skeletal dysplasia
pg. E 183

Question 10

When is an amniocentesis? typically performed?

Answer 10

16 weeks

pg. E 184

Question 11

When else could you perform an amniocentesis?

Answer 11

2nd and 3rd tri to access fetal lung maturity

pg. E 184