<prompt> Most common cause of seizure in newborn on day 1 is:HypoxiaHypocalcaemiaHypoglycemiaIntrauterine infections  <response>: ANSWER: A HypoxiaREF: Neurology of the newborn, By Joseph J. Volpe, page 216, eizures.pdfHypoxic ischemic encephalopathy is the single most common cause of neonatal seizure in both term and pretermCommon CausesUsual age of onsetPretermTermHypoxic-ischemic encephalopathy 3 daysIntracranial infection3 daysIntrauterine Infection CMV, Toxoplasma., HIV, Rubella, Syphilis3 daysDevelopmental defects Neuro cutaneous Disorders like-Tuberous Sclerosis Complex, Incontinentia PigmentiVariableHypoglycemia 2 daysHypocalcemia Early-onset2-3 daysHypocalcemia Late-onset 7 daysDrug Withdrawal3 daysIntraventricular hemorrhage3 daysRarePrimary subarachnoid bleed1 dayRare 