Chapter 57 Amniotic Fluid, Fetal Membranes, and Fetal Hydrops

Question 1

Amniotic fluid is produced by…

Answer 1

umbilical cord, the membranes, lungs, skin, and kidneys

Question 2

Fetal production of urine and the ability to swallow begins between ___ and ___ weeks gestation.

Answer 2

8 and 11

Question 3

The volume of amniotic fluid increases progressively until about ____ weeks’ gestation.

Answer 3

33

Question 4

An average increment increase of amniotic fluid of 25ml from the ____ to the _____ week.

Answer 4

11th, 15th

Question 5

An average increment increase of amniotic fluid of 50ml from the ____ to the ____ week.

Answer 5

15th, 28th

Question 6

From ___ to ____ weeks’ gestation , amniotic fluid may appear rather generous.

Answer 6

20-30

Question 7

Towards the end of the pregnancy, at between ___ and ___ weeks’ gestation, a general decline is seen in the amniotic fluid.

Answer 7

38 and 43

Question 8

AFI values are relatively stable after ____ weeks until the end of the third trimester. The AFI peaks late in the third trimester of pregnancy, with a rapid decline near term.

Answer 8

20

Question 9

Normal amniotic fluid correlates with AFI of ____ to ____ cm.

Answer 9

10-20

Question 10

Oligohydramnios correlates with an AFI of less than _____ cm, with the largest vertical pocket measuring ___ cm or less.

Answer 10

5, 2

Question 11

Polyhyramnios correlates with an AFI of greater than ___cm with the largest vertical pocket measuring ____ cm or more.

Answer 11

24, 8

Question 12

The maxium vertical pocket assessment of amniotic fluid is done by identifying the largest pocket of amniotic fluid, which should measure greater than ___ cm.

Answer 12

1

Question 13

Chronic polyhydramnios usually occurs between ___ week and term.

Answer 13

28th

Question 14

Polyhydramnios is defined as an amniotic fluid volume of greater than ____ ml.

Answer 14

2000