When do babies laugh?

Most healthy full-term babies will show a smiling expression at two months after birth. At 3-4 months of age, the child will show a giggling expression. Therefore, when Mom and Dad give the child a bath, they can touch the child and promote the child's growth and development. The baby also shows a funny situation at 6-7 months, which should cause parents to pay attention. Because the baby's language development is a certain rule, the baby 3-4 months when laughing out loud, this is a normal reaction. If the child to six months or indifferent expression, laughing out loud, it is possible that the child showed some intellectual aspects of the situation, to find out why the child will not laugh. Because your baby's language and motor development are regular for a reason, it is necessary to observe it in a timely manner and pay attention to the timing of every movement and expression of the child. If the child still cannot laugh after six months, Then pay attention to whether the child has abnormalities in the development of his nervous system.