The shape of a bottle nipple plays a crucial role in how a baby latches, sucks, and swallows during feeding, and this is especially important for breastfed babies who alternate between breast and bottle. A gradual, sloped nipple shape more closely mimics the natural form and feel of the breast during nursing. This encourages a deeper latch, where the baby’s lips are flanged outward and the nipple extends toward the back of the mouth. A deep latch is important not only for effective milk transfer