Articles In This Section
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Your Child’s Development: 3 Years
Doctors use certain milestones to tell if a child is developing as expected. Here are some things your toddler may be doing.
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Your Child’s Development: 2.5 Years (30 Months)
Doctors use certain milestones to tell if a child is developing as expected. Here are some things your toddler may be doing this month.
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Your Child’s Development: 2 Years (24 Months)
Doctors use certain milestones to tell if a child is developing as expected. Here are some things your toddler may be doing this month.
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Your Child’s Development: 15 Months
Doctors use certain milestones to tell if a child is developing as expected. Here are some things your toddler may be doing this month.
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Your Child’s Development: 1.5 Years (18 Months)
Doctors use milestones to tell if a child is developing as expected. Here are some things your toddler may be doing this month.
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Your Child’s Development (Birth to 5 Years Old)
Doctors use milestones to tell if a child is developing as expected. There's a wide range of what's considered normal, so some kids gain skills earlier or later than others. Here's what to expect as your child grows.
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Growth and Your 6- to 12-Year-Old
As kids grow from grade-schoolers to preteens, there continues to be a wide range of "normal" as far as height, weight, and shape.
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Growth and Your 4- to 5-Year-Old
Kids who are 4 to 5 years old continue to learn in a very physical way, but are more focused than when they were younger.
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Growth and Your 13- to 18-Year-Old
Kids entering puberty will undergo many changes in their developing bodies. Find out more about what to expect.
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Body Mass Index (BMI)
Doctors use body mass index (BMI) measurements to assess a child's physical growth in relation to other kids the same age. Here's how to calculate BMI and understand what the numbers mean.
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Growing Pains
Growing pains are leg pains and soreness that happen to kids at night, usually when they're 3 to 12 years old.
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Your Newborn’s Growth
A newborn's growth and development is measured from the moment of birth. Find out if your baby's size is normal, and what to expect as your baby grows.
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Your Child’s Development: 4 Months
Doctors use certain milestones to tell if a baby is developing as expected. Here are some things your baby might be doing this month.
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Your Child’s Development: 3-5 Days
Doctors use certain milestones to tell if a baby is developing as expected. Here are some things your baby may be doing.
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Your Child’s Development: 1 Year (12 Months)
Doctors use milestones to tell if a toddler is developing as expected. Here are some things your little one might be doing this month.
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Your Child’s Development: Newborn
Doctors use milestones to tell if a baby is developing as expected. Here are some things your baby may be doing this month.
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Your Child’s Development: 9 Months
Doctors use certain milestones to tell if a baby is developing as expected. Here are some things your baby might be doing this month.
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Your Child’s Development: 1 Month
Doctors use milestones to tell if a baby is developing as expected. Here are some things your baby may be doing this month.
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Your Child’s Development: 6 Months
Doctors use milestones to tell if a baby is developing as expected. Here are some things your baby might be doing this month.
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Your Child’s Development: 2 Months
Doctors use certain milestones to tell if a baby is developing as expected. Here's what your baby may do this month.
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Your Baby’s Growth: 9 Months
Your baby is growing by leaps and bounds. Here's what to expect this month.
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Growth Charts
Doctors use growth charts to figure out whether kids' height and weight measurements are "normal" and whether they're developing on track. Here are some facts about growth charts.
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Growth and Your 1- to 2-Year-Old
You're in for a year of changes! Midway through this year, most babies are walking and starting to lose that "baby" look.
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Growth and Your 2- to 3-Year-Old
During the third year of life, toddlers are extremely active and mobile, and are learning in very physical ways.
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Your Baby’s Growth: 1 Month
Put away those newborn clothes. This month your baby will grow at a surprising rate!
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Your Baby’s Growth: 10 Months
Your baby continues to grow quickly. All this activity and the foods your baby eats affect growth and weight.
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Your Baby’s Growth: 11 Months
Your baby continues to grow quickly. All this activity and the foods your baby eats affect growth and weight.
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Your Baby’s Growth: 12 Months
Your baby is almost a toddler! Here's what to expect with your little one's growth and weight this month.
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Your Baby’s Growth: 2 Months
Your baby continues to grow at a rapid pace. Here's what to expect this month.
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Your Baby’s Growth: 3 Months
This month, your baby will continue to grow quickly. Find out what to expect.
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Your Baby’s Growth: 4 Months
Your baby is growing in many ways. Here's what to expect this month.
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Your Baby’s Growth: 5 Months
Babies this age are growing in many ways. Here's what to expect this month.
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Your Baby’s Growth: 6 Months
Babies this age are growing in many ways. Here's what to expect this month.
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Your Baby’s Growth: 7 Months
Your baby continues to grow in many ways. Here's what to expect this month.
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Your Baby’s Growth: 8 Months
Your baby is growing by leaps and bounds, and may even be crawling or cruising. Here's what to expect this month.
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Failure to Thrive
Most kids grow well but some have ”failure to thrive.” This means they don't gain weight as expected and may not grow as tall as they should.
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Delayed Puberty
Puberty usually begins in girls 8-14, and in boys 9-15. If kids pass this normal age range without showing any signs of body changes, it's called delayed puberty.
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A to Z: Failure to Thrive
Failure to thrive refers to a child's inability to gain weight and grow as expected for kids of the same age and gender. Most diagnoses are made in the first few years of life.
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Flat Feet
Most babies and toddlers have flat feet. As they grow, an arch usually develops. But some kids have flat feet for life.
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Dwarfism
Dwarfism is a condition that is characterized by short stature. Many of the possible complications of dwarfism are treatable, and people of short stature lead healthy, active lives.