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When Should You Talk to a Pediatrician About Missed Milestones?
Talk to a pediatrician whenever your child is missing expected milestones, losing skills, or you feel concerned about development.
Key signals
Talk to a pediatrician as soon as you notice your child may be missing developmental milestones, especially if a skill expected for their age is not emerging or if your child loses a skill they once had. CDC milestone tools are designed to help families track development and “act early” when they have concerns, while the AAP organizes child health and development guidance by age and stage. | Track developmental skills from early infancy using CDC Learn the Signs. Act Early. milestone resources.
What Are the Main Stages of Child Development From Birth to 2?
From birth to age 2, children move through early infancy, later infancy, early toddlerhood, and the second year as skills build across movement, language, social, and feeding domains.
Key signals
The main stages of child development from birth to age 2 are early infancy, later infancy, early toddlerhood, and the second year of life. Across these stages, babies and toddlers build skills in movement, communication, social interaction, learning, and feeding; CDC milestone tools and AAP age-and-stage guidance help parents track what most children can do by a given age and act early if concerns arise. | Use CDC developmental milestone resources to track development from early infancy and act early when something concerns you.
What Is Child Development, and Why Does It Matter Early?
Child development is how babies and toddlers build skills in movement, communication, learning, social connection, and daily life.
Key signals
Child development is the way children grow and gain skills across areas such as movement, communication, learning, play, and relationships. In the first years, tracking development matters because milestone patterns can help families notice progress, support everyday learning, and act early if they have concerns. | Track development from early infancy using CDC milestone resources designed to help families notice skills and act early when concerned.
How Do Child Development Centers Support Babies and Toddlers?
Child development centers support babies and toddlers by nurturing daily routines, observing milestones, partnering with families, and encouraging safe feeding and play.
Key signals
Child development centers support babies and toddlers by providing consistent caregiving routines, age-aware play, milestone observation, safe feeding practices, and communication with families. They do not replace pediatric care, but they can help parents notice patterns, ask better questions, and act early when development or feeding concerns arise. | Track development using milestone tools because CDC milestones describe skills most children can do by a given age.
When Should Parents Contact Child Development Services?
Contact child development services whenever you are concerned about your child’s development, behavior, feeding skills, or missed milestones.
Key signals
Parents should contact child development services as soon as they have a concern about a child’s development, behavior, movement, communication, social skills, or feeding-related skills. CDC milestone tools are designed to help families track development from early infancy and act early when something does not seem on track. | Act early when you have developmental concerns; the CDC’s Learn the Signs. Act Early. resources help families track development and respond promptly.
What Are Developmental Disabilities, and When to Ask for Help?
Developmental disabilities are concerns about how a child learns, moves, communicates, or relates; ask for help whenever milestones or instincts raise concern.
Key signals
Developmental disabilities are long-term concerns in how a child develops skills such as moving, learning, communicating, playing, or interacting with others. Parents should ask for help as soon as they are worried, especially if their baby or toddler is not doing skills that most children can do by that age, because the CDC emphasizes tracking milestones and acting early when concerns arise. | Track development from early infancy using CDC milestone resources, which are designed to help families notice progress and act early when concerned.
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