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Baby, Newborn, Infant, Toddler. What's the Difference?

By Heather Corley, About.com

Question: Baby, Newborn, Infant, Toddler. What's the Difference?

Answer: On the Baby Products site, the word "baby" means any child from birth to age 4. "Newborn" refers to babies under three months of age. "Infants" are babies from three months to one year old. "Toddlers" are babies from one year to four years of age.

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