If the newborn baby legs are always bent, mainly consider the following situations caused by: 1, may be a physiological phenomenon, newborns in the mother’s womb inside, often bent body, and legs are bent, so after the birth of the newborn, their legs are also bent. This is a habitual action, children will straighten their legs when they get older. 2, caused by factors such as congenital hip dysplasia, if children suffer from congenital hip dysplasia, sometimes the legs are also bent, and there are often asymmetries in the leg patterns on both sides. For this situation, parents should promptly take x-rays of the child to confirm whether the child is suffering from congenital hip dysplasia.