15 vintage photos show how motherhood has changed in the US

The times have widely shaped what motherhood looks like, from scientific developments to labor reforms.

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• Motherhood in the US has changed over the past century.
• From baby formula to women entering the workforce, mothers have faced a range of societal changes.
• Debates over best practices for raising a child have been ongoing for decades.

Mother's Day might be over, but most mothers would agree the celebration shouldn't end there.

Motherhood can look very different for every mother...