Newborns’ legs are curved because babies are in the womb for a long time before they are born, and there is little space, so their legs are curved and in an O-shape.
Basically, all babies’ legs are not straight, and go through the process of changing from “O-shape – normal leg shape – X-shape – normal leg shape”.
At the beginning, the baby in the womb, the body curled up, legs O-shaped; after birth slowly began to bear the weight, between one and a half to two years old, the baby’s legs from O-shaped began to straighten; with the child’s activities become larger, the knee joints gradually turned outward forward, so between the age of two years old to four years old, the child’s legs X-shaped; thereafter, the legs will gradually straighten, and gradually stereotypes.
In response to this phenomenon, parents should recognize the growth and development of their children and follow the objective law. If there is any obvious abnormality in the shape of the child’s legs, it is recommended to consult the hospital in time.