Researchers found fertility rates among mothers in rural, small metro and large metro counties have declined, while the average age of mothers carrying their first child has gone up, according to CDC data released Oct. 17.
Here are three things to know:
1. CDC researchers analyzed birth data from the National Vital Statistics Systems and population data from the U.S. Census Bureau.
2. Researchers found total U.S. fertility rates fell by 12 percent in rural counties, 16 percent in small and medium metro counties and 18 percent in large metro counties.
3. Between 2007-17, the average age of mothers having their first baby rose 1.3 years for rural counties, 1.5 years for small or medium metro counties and 1.8 years for large metro counties, among all races.
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