Child development is a fascinating and complex process that occurs in stages. Understanding these stages can help parents and caregivers provide the best possible environment for a childs growth and development. Experts differ in their division of child development into different stages, but most agree on the following five stages:

1. Newborn: This stage lasts from birth to two weeks of age. During this stage, babies are entirely dependent on their caregivers for survival and have limited abilities. They can only communicate through crying and other reflexes.

2. Infant: This stage lasts from two weeks to 12 months of age. During this stage, infants develop rapidly, learning to sit, crawl, and walk. They also begin to communicate through babbling and other sounds.

3. Toddler: This stage lasts from 1 to 3 years of age. During this stage, toddlers become more independent and develop their own personalities. They also begin to communicate more effectively and develop their fine motor skills.

4. Preschooler: This stage lasts from 3 to 5 years of age. During this stage, preschoolers continue to develop their language and social skills. They also begin to develop their cognitive abilities, such as problem-solving and critical thinking.

5. School-Age: This stage lasts from 6 to 12 years of age. During this stage, children experience significant changes in their physical, cognitive, social, and emotional development. They become more independent and develop their own interests and hobbies.

It is important to note that child development is fluid, meaning it varies from child to child, and there may be quick advances and even regression from time to time. Nonetheless, if a parent is concerned about a childs development, further investigation by a pediatrician or another specialist may be needed. If the child needs some kind of intervention, such as speech therapy, the sooner it starts, the better the long-term outcomes will be.