Protecting That Tiny Soft Spot on Your Baby's Head. We weren’t able to create a summary for you. Refresh your page to try again. Apr 8, 2024 · Soft spots , or fontanelles, are spaces between the bones in your baby 's skull that haven't yet fused together. Here's what you need to know about keeping them safe. Apr 8, 2024 · Soft spots , or fontanelles, are spaces between the bones in your baby 's skull that haven't yet fused together. Here's what you need to know about keeping them safe. All babies are born with two soft spots (fontanelles) on their heads: The larger soft spot (anterior fontanelle) is toward the front of the head , and the smaller soft spot (posterior fontanelle) is toward the back. These softer areas are made up of immature skull bones that are still forming and expanding as your baby ’ s brain grows. All babies are born with two soft spots (fontanelles) on their heads: The larger soft spot (anterior fontanelle) is toward the front of the head , and the smaller soft spot (posterior fontanelle) is toward the back. These softer areas are made up of immature skull bones that are still forming and expanding as your baby ’ s brain grows. All babies are born with two soft spots (fontanelles) on their heads: The larger soft spot (anterior fontanelle) is toward the front of the head, and the smaller soft spot (posterior fontanelle) is toward the back. These softer areas are made up of immat…The soft spots on babies' heads have two main functions: 1. They make it possible for the bony plates of the skull to compress and overlap as the head passes through the narrow birth canal during a vaginal delivery 2. They allow a baby’s skull to ex…In your baby’s first few months, both soft spots should be open and flat.