Answers.
0-1 months - Answer newborn age
1-12 months - Answer infant age
1-2 years old - Answer toddler
3-5 years old - Answer preschooler
6-12 years old - Answer school age
13-18 years old - Answer adolescent
by 6 months - Answer when should birth weight double?
by 1 years old - Answer when should birth weight triple?
2-4 months - Answer what age can infants turn their head?
6-8 months - Answer what age can infants sit unsupported?
8-10 months - Answer what age can infants crawl?
10 months - Answer what age can infants pull up on things?
10-12 months - Answer what age can infants stand alone?
6 months - Answer what age do infants start growing teeth?
1 year old - Answer what age do toddlers start going to the dentist?
1-2 years old - Answer what age do toddlers start running?