"Figure 2: Sudden infant death, unascertained infant death and unexplained infant death rates by sex, 2012 (1,2)","" "England & Wales","" "","" "Notes","1. Data for 2012 are provisional 2. Based on deaths occurring in each calendar year " "Unit","Rate per 1,000 live births" "","" "Cause of death","Boys","Girls" "Sudden infant death","0.27","0.16" "Unascertained infant death","0.11","0.06" "Unexplained infant death","0.38","0.23"