A term newborn weighs 3.0 kg at birth. At 5 months, the infant weighs 6.0 kg and is thriving on exclusive breastfeeding. What is the best interpretation of this growth pattern?
A
The infant has failure to thrive because weight should triple by 6 months
B
The infant demonstrates normal growth because birth weight typically doubles by 4–6 months
C
The infant is overweight because weight gain is excessive for age
D
The infant has abnormal growth because weight should quadruple by 5 months