"Figure 4: Infant mortality rates by multiplicity and term, 2007 and 2013","" "England and Wales","" "","" "Notes","1. Rates for pre-term multiple births are consistently lower than singleton births. The opposite can be seen in term births." "Unit","Rate per 1,000 live births" "","" "","Single","Multiple" "Pre-term - 2007","28.9","26.7" "Term - 2007","1.9","3" "Pre-term - 2013","21.9","18.3" "Term - 2013","1.4","2.2"