Typically, the term "baby" might be used to refer to any child from birth to age 4.
Newborn usually refers to babies from birth to about two months of age. Infants are babies from two months to one year old. Toddlers are babies from one year to four years of age. Others may have different definitions of these terms. For example, some people may consider toddlers to be 18 months old to 3 years old, and a 4-year-old might be considered a preschooler.
Merriam-Webster dictionary simply says a newborn is a baby who is recently born and does not put an upper limit to the term. The dictionary also defines an infant as a child in the first stage of life but doesn't give any age specifics. The World Health Organization (WHO) defines a newborn, or neonate, as a baby under 28 days old.
As the name implies, a toddler is classically defined as a child who is just learning to walk or one who toddles. This is often around one year of age. There's no official definition of the upper limit of toddlerhood. However, most people consider the end of the toddler age to be around the time a child is ready to transition into preschool.
For Expectant Parents or Parents of Newborns
- 4 Procedures for Newborns Directly After Birth
- What a Newborn Baby Really Looks Like
- 6 Ways to Soothe a Fussy Baby
- Essential Products for Newborns
- Products You Don't Need for Newborns
- Best Infant-Only Car Seats
For Parents of Infants
- Important Cognitive Milestones
- Important Physical Milestones
- High Chair Safety Tips
- Best Convertible Car Seats for Baby
- Top 8 Lightweight Strollers
- 7 Amazingly Chewy Teething Toys
- 6 Super Fun Play Saucers for Baby
- How to Choose a Baby Safety Gate
For Parents of Toddlers
- Signs of Toddler Development
- Skills Your Toddler Will Learn By Age 2
- Approaches to Disciplining Your Toddler
- 8 Great Feeding Accessories for Toddlers
- When Is It Safe to Switch to a Booster Seat?
- The Best Potty Seats for Toddlers
- Furniture Tip-Over Risks and Prevention
- Built-In Nightlights for Your Toddler's Room