CASE 74
H = heart.
History: A patient undergoes follow-up ultrasound for a third-trimester fetus with large bowel obstruction.
1. What should be included in the differential diagnosis of a dilated fetal colon? (Choose all that apply.)
2. How is sacral agenesis related to the etiologies of bowel obstruction?
A. It is part of the caudal regression syndrome.
B. It causes an aganglionic segment of distal colon.
C. It causes meconium buildup.
3. At what gestational age is colon dilation from anorectal atresia likely to be diagnosed on ultrasound?
4. Which of the following bowel dilation pathologies or syndromes is not related to maternal diabetes mellitus?
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