New Fathers Are Older Than Ever

New Fathers Are Older Than Ever
Researchers at Stanford University reviewed data on 168,867,480 live births from 1972 to 2015, making statistical adjustments for missing paternal records. The average age of the father of a newborn in the United States, the investigators found, has risen to 30.9 from 27.4 in 1972.

http://ift.tt/2vES8N3 September 4, 2017 at 03:50PM
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