The independence of a 21-month-old child begins to develop and is expressed through a number of actions such as playing by themselves and exploring the outside world. For children to develop fully, parents should spend a lot of time being close to, playing with and taking care of them.

By the time your child is 21 months old, you may notice that your child is never out of motion, but he or she actually spends about 20% of his or her time just looking around. This is a time of language and cognitive development in children, and you can start teaching your child about the concept of time. For example, talk about your schedule: “First we go to the library, then we go to the park,” and remind your child what happens on certain days of the week: “On Sundays, we go to Grandma’s.” You may also want to think about gender identity issues as your 21-month-old begins to show preferences for certain toys, games, and playmates. In this article, we’ll provide helpful information for parents to understand the language and cognitive development of 21-month-olds.

Height and weight of a 21-month-old boy are indicators of a child's development. For children to develop well both mentally and physically, parents need to maintain a scientific nutritional regimen for their children.

21-month-old children have remarkable development in motor skills, language and brain. This is also the time when children begin to develop their own personality and know how to choose and refuse food. Therefore, the issue of nutrition for 21-month-old children is a big challenge for parents. So what can a 21-month-old baby eat?

Height and weight are always the measurements that help parents monitor their child's development every month. However, there will be a difference between these two measurements between girls and boys. Moreover, 21 months old is the stage of developing many other skills, so the child's height and weight do not develop as much as a year ago. So how tall is a 21-month-old girl?

Each baby is born a different individual, so the growth rate of each baby is also very different, some babies walk and talk quickly, some babies are slower. However, a 21-month-old baby who cannot walk is an issue that needs parents to pay close attention to, so they should take the child to the doctor to find the cause and have appropriate treatment.