The design is intended to provide a partially upright position for feeding that avoids possible ear infections. (babieslounge.com)
Many parents have experienced taking their children to the doctor for possible ear infections only to find out that it's just teething pain. (wehavekids.com)
If a baby is lying down when breast - feeding or bottle - feeding there is a danger of the milk to back up through the Eustachian tube and into the ears causing possible ear infections. (thebabycorner.com)