All are common in Down syndrome, except –: (A) Simian crease, (B) Clinodactyly, (C) Mother's age > 35 years, (D) Respiratory tract infection uncommon
Answer is D. Chronic rhinits, conjunctivitis and periodontal disease are common in Down's syndrome.
Lower respiratory tract infections pose a threat to life.
Pneumonias are common in patients with Town's syndrome.