Lesson 28: Fetal Soft Markers Flashcards

1
Q

True or False: Fetal soft markers are abnormalities

A

False- they are findings that are indicative of an increased risk of aneuploidy

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2
Q

Risks of aneuploidy include:
______ Nuchal thickness ( greater than __ mm)
Ventriculomegaly greater than _____ mm
____ or ____ nasal bone
Intracardiac focus that is _____
Cysts in the ______ ______
Echogenic _____
and a femur that is _____ compared to the foot

A

Increased
6mm
10mm
Hypotrophic or absent
Echogenic
Choroid plexus
Bowel
short

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3
Q

Fetal pyelectasis is the dilation of the _____ ______. The AP diameter greater or equal to ____ mm

A

Renal pelvis
5 mm

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4
Q

Non Chromosomal Linked risk factors include:
1)
2)
3)

A

1) Fetal pyelectasis > 5mm
2) Single UA
3) Enlarged CM

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5
Q

Nuchal Index is calculated by : ________ mm divided by _____ mm

A

Nuchal thickness / BPD

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6
Q

From 16-18 weeks, NT of ___ mm is significant
While at 18-24 weeks, NT of ___ mm is significant

A

5 mm
6 mm

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7
Q

Echogenic bowel should only be reported if in these grades

A

2 and 3

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8
Q

Choroid plexus cysts are reported when greater or equal to ____ mm

A

3 mm

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9
Q

An enlarged CM would be greater or equal to __ mm and measure from ___ to ___

A

10 mm
Anterior to Posterior

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10
Q

Femur/Foot ratio that is less or equal to ____ indicated risk of trisomy 21.

A

0.9

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