A 30-year-old pregnant woman comes in for a routine examination. It is found that there is a marked increase in the uterus size at 26 and 30 weeks gestation. Her physician recommends an ultrasound, which also shows a marked increase in the level of amniotic fluid. The fetus is, however, seen to be normal in size for the gestational age.
Which of the following will be the best-suited diagnosis in this scenario?
A- Congenital heart disease
B- Duodenal atresia
C- Horseshoe kidney
D- Neural tube defect
Answer
The diagnosis that fits best is that of duodenal atresia. This is a condition where the first part of the small bowel, the duodenum, does not develop properly. The cause of this condition remains unknown. Duodenal atresia is associated with many other birth defects, as well as Down’s syndrome. Other options are not accompanied with polyhydramnios but rather with changes in the size of the fetus.
The correct answer is B
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