<prompt> Which of the following is not a feature of congenital hypothyroidismThyroid agenesisMicrocephalyWide open anterior fontanelleDrooling  <response>: Causes of microcephaly include infections, malnutrition or exposure to toxins.Symptoms vary and include intellectual disability and speech delay. In severe cases, there may be seizures and abnormal muscle functionality.There is no cure for microcephaly. Treatment involves supportive care, symptom management and close monitoring. 