A full-term female infant is born to a healthy 34-year-old woman. Newborn examination reveals a broad chest with widely spaced nipples, a webbed neck, and lymphedema of the feet. Investigations including a karyotype analysis are performed, and the results later demonstrate a 45XO chromosomal pattern. Which of the following findings may also be present?
B. Developmental delay
C. Duodenal atresia
D. Elongated transverse aortic arch
Find the answer, discuss this case, and more on Figure 1.