Look at the ass. Generally speaking, when a woman gives birth to a child, her hips will change greatly. This is because, when the baby is still in the belly, as the baby's weight increases, the mother will naturally change her posture as the baby's weight increases. When the mother gives birth to the baby, the mother's pelvis will become larger, which is conducive to the smooth delivery of the fetus. The pelvis is bigger, and fat accumulates during pregnancy, so it looks bigger than when there are no children.