Maybe normal: A 13 month-old boy usually has a head circumference between 45 and 48 cm. If a boy is normal in his growth and development, and his body shape and head shape are similar to that of his parents' traits, then his head size is considered normal.
Answered 9/28/2016
4k views
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question