Not true about sudden infant death syndrome –

Sudden infant death syndrome (SIDs) SIDS is defined as the sudden death of an infant that is unexpected by history and unexplained by a thorough postmortem examination. Most cases of are between 1 month to I year. Incidence is higher in the winter months. Risk factors for SIDS Maternal and antenatal Smoking and alcohol use Younger age (< 20 years) Low educational status Single marital status IUGR & intrauterine hypoxia Shorter interpregnancy interval Low socioeconomic status Infant risk factors Age (peak 2-4 months) Male gender Prematurity Side or prone sleep position Recent febrile illness Soft sleeping surface (bed) Cold season Suspected causes of SIDS  Airway obstruction and laryngeal spasm. Infection such as Clostridium botulinum. Anaphylactic shock due to cow's milk allergy. Chronic hypoxia due to prolonged apneic episode.