The Palmer grasp reflex is present in babies for the first few months after birth. It begins during pregnancy at some point late in the second trimester. So why does it happen? Some biologists have theorised that it has evolutionary origins. This reflex is mostly seen in furry primates, allowing the babies to grip onto the fur of their mother's. Our ancesters were once hairy, so perhaps there's some weight to the theory. From around 4 months onwards, babies' fine motor skills develop as they sta