Social & Preventive Medicine obstetrics,pediatrics and geriatrics d6bef1a3 According to ICMR the most common cause of infant moality is - A Prematurity B Diarrhoeal diseases C Congenital anomalies D Acute respiratory infection High-Yield Explanation Park's textbook of preventive and social medicine 23rd edition. * Most common cause of infant moality rate are low bih weight (57%) and prematurity.