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
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