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While testing hip internal rotation with the hip and knee flexed to 90°, a therapist records 15° bilaterally. Which of the following BEST describes this finding?

Which one of the following statements about facial anomalies is correct?

What percentage of cystic hygromas is associated with chromosomal anomalies?

Normal interventricular septal thickness during the third trimester should not exceed _______ mm.

Blood flow in the fetus communicates between the aorta and pulmonary arteries via which one of the following?

Limb–body wall defects are more common ______:

A gestational age of 20 weeks would show a normal aortic measurement of ___ mm.

Which one of the following types of imaging is used to evaluate cardiac motion?

Which one of the following anomalies is associated with micromelia and a “hitchhiker thumb?”

Kidneys should be sonographically documented in all fetuses beginning at ______ weeks’ gestation.