Age of WomanFemale PopulationLive BirthsPregnancies
NumberRateNumberRate
Number & Rate of Live Births and Estimated Pregnancies by Age of Woman,
Marquette County, Michigan 1991
Total17,320  955  55.11,245  71.9
15 – 192,769  83  30.0122  44.1
20 – 296,125  582  95.0755  123.3
30 – 395,959  279  46.8354  59.4
40 +2,467  11  4.515  6.1

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 9/30/2016) released by the National Center for Health Statistics (NCHS), CDC.