Microcephaly (from New Latin microcephalia, from Ancient Greek μικρός mikrós "small" and κεφαλή kephalé "head"[2]) is a medical condition involving a smaller-than-normal head.[3] Microcephaly may be present at birth or it may develop in the first few years of life.[3] Since brain growth is correlated with head growth, people with this disorder often have an intellectual disability, poor motor function, poor speech, abnormal facial features, seizures and