Amniotic Fluid, fetal anomalies Flashcards

1
Q

Rough US measurement of amniotic fluid volume obtained by measuring the vertical diameter of the deepest pockets of fluid in the 4 quadrants of the uterus and adding these values together

A

Amniotic fluid index

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2
Q

Normal value of amniotic fluid index

A

5-20 cm

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3
Q

Refers to normal echolucent space between the spine and overlying skin at the back of fetal neck

A

Nuchal translucency

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4
Q

Nuchal translucency is measured by

A

Width between inner borders of nuchal translucency

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5
Q

Nuchal translucency cut off at first trimester

A

2.5 mm or 3.0 mm

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6
Q

In 2nd trimester, nuchal thickness ____ is abnormal

A

> /= 6 mm

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