Age of WomanFemale PopulationLive BirthsPregnancies
NumberRateNumberRate
Number & Rate of Live Births and Estimated Pregnancies by Age of Woman,
St. Clair County, Michigan 2011
Total28,523  1,679  58.92,294  80.4
15 – 195,288  173  32.7248  46.9
20 – 298,520  943  110.71,299  152.5
30 – 398,945  518  57.9682  76.2
40 +5,770  44  7.664  11.1

Notes:

Rates are per 1,000 female population.
Pregnancies
Estimated pregnancies are the sum of live births, induced abortions and estimated miscarriages.

Source: 2011 Michigan Abortion File
Division for Vital Records & Health Statistics, Michigan Department of Health & Human Services

Bridged Population Estimates (latest update 9/30/2017) released by the National Center for Health Statistics (NCHS), CDC.