US dads of newborns are greying—percentage over 40 doubled since the 70s

Age increased across the board, in different races, education levels, and regions.

The Risks to Babies of Older Fathers - The New York Times

August, 2017

Preterm birth - Wikipedia

Charted: Average Years Left to Live by Age

The Average American Dad Is Getting Older, Study Finds - CBS Philadelphia

54% of Americans in their 40s have both an aging parent and own child

Jeep Destination Ultralight Side x Side Double Stroller, Midnight : Baby

Share of U.S. family households with children, by type 1970-2022

Fatherhood After 40? It's Becoming A Lot More Common : Shots - Health News : NPR

Jeep Unlimited Reversible Handle Stroller, Grey Tweed : Baby

Living into the 22nd century

5. Old Dads Yield New Mutations