Which of the Following Newborn Infants Demonstrates the Highest Risk

Multiple Choice

Which of the following newborn infants demonstrates the highest risk of presenting with developmental dysplasia of the hip (DDH) ?

A) A girl who was born with toeing-in and who was in a breech presentation
B) A twin girl who required resuscitation after delivery
C) A boy who was born by caesarian section to a 44-year-old first-time mother
D) A boy with Down syndrome who was exposed to cocaine in utero