Age of WomanFemale PopulationLive BirthsPregnancies
NumberRateNumberRate
Number & Rate of Live Births and Estimated Pregnancies by Age of Woman,
Michigan 1990
Total2,218,769  153,080  69.0221,821  100.0
15 – 19340,976  20,224  59.333,577  98.5
20 – 29742,811  88,459  119.1126,674  170.5
30 – 39796,121  42,479  53.458,290  73.2
40 +338,861  1,422  4.22,302  6.8

Notes:

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

Source: 1990 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.