Figure 1.

Infant mortality and age of mother (a) and birth interval (b) for developing countries. (Source: Family Planning Can Reduce High Infant Mortality Rates, Guttmacher Institute, April 2002, Issue Brief)

Stover and Ross BMC Public Health 2013 13(Suppl 3):S4   doi:10.1186/1471-2458-13-S3-S4