PU Fetal Biometry and Growth Assessment

Question 1

Which measurement is considered the most accurate indicator of gestational age in the second trimester?

Accepted Answer

Biparietal diameter (BPD)

Answer

The biparietal diameter is the most widely used and reliable measurement for estimating gestational age in the second trimester.

Question 2

What does IUGR stand for in obstetric ultrasound?

Accepted Answer

Intrauterine Growth Restriction

Answer

IUGR (Intrauterine Growth Restriction) refers to a condition where the fetus does not grow at the expected rate inside the womb.

Question 3

The estimated fetal weight (EFW) formula most commonly used in clinical practice incorporates which measurements?

Accepted Answer

BPD, HC, AC, and FL

Answer

The Hadlock formula, which incorporates BPD, HC, AC, and FL, is the most widely used method for estimating fetal weight.

Question 4

A fetus measuring below which percentile is typically classified as small for gestational age (SGA)?

Accepted Answer

10th percentile

Answer

A fetus with an estimated weight below the 10th percentile for gestational age is classified as small for gestational age (SGA).

Question 5

Which fetal measurement best reflects fetal nutrition and soft tissue mass?

Accepted Answer

Abdominal circumference (AC)

Answer

The abdominal circumference reflects the size of the liver and subcutaneous fat, making it the best indicator of fetal nutrition.

PU - Pregnancy Ultrasound Certification Practice Test