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IDPH Births to Teen Mothers, State Total, by Age, 1959-2009
Prior to 1980, age 15 - 17 and age 18 - 19 were not reported separately. -
IDPH Births to Teen Mothers, by County, by Age, 2008-2009
City of Chicago totals may include births occurring to residents of the city of Chicago in DuPage County and appear also in the DuPage County birth numbers.
You can also access this registry using the API.