Age of WomanFemale PopulationLive BirthsPregnancies
NumberRateNumberRate
Number & Rate of Live Births and Estimated Pregnancies by Age of Woman,
St. Clair County, Michigan 1989
Total33,728  2,161  64.12,906  86.2
15 – 195,341  281  52.6437  81.8
20 – 2910,797  1,380  127.81,794  166.2
30 – 3912,320  491  39.9659  53.5
40 +5,270  6  1.111  2.1

Notes:

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

Source: 1989 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.