Anterior fontanelle closes at ____________: (A) < 3months, (B) 12months, (C) 12-18months, (D) > 3years
Answer is C. The posterior fontanelle generally closes 2 to 3 months after bih; The sphenoidal fontanelle is the next toclose around 6 months after bih; The mastoid fontanelle closes next from 6 to 18 months after bih; and. The anterior fontanelle is generally the last to close between 10-24 months. Ref : Nelson paediatrics Chapter : Growth and development