Age of WomanFemale PopulationLive BirthsPregnancies
NumberRateNumberRate
Number & Rate of Live Births and Estimated Pregnancies by Age of Woman,
St. Clair County, Michigan 1991
Total34,076  2,077  61.02,837  83.3
15 – 195,188  246  47.4383  73.8
20 – 2910,648  1,287  120.91,730  162.5
30 – 3912,621  535  42.4705  55.9
40 +5,619  7  1.214  2.5

Notes:

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

Source: 1991 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.