"Chart 3: Infant mortality rates by age of mother and grouped gestation, 2006-2010","" "","" "","" "Notes","1. Pre-term is 24 to 36 weeks; term is 37 to 41 weeks and post term is 42 weeks and over." "Unit","Mortality rate per 1,000 live births" "","" "","Pre-term","Term","Post-term" "Under 20","37.6","2.7","1.7" "20-24","31.3","2.1","1.5" "25-29","27.1","1.7","1.6" "30-34","24.7","1.4","1.5" "35-39","24.0","1.5","1.4" "40+","25.9","2.2","2.6"