Margaret Crane, inventor of America’s first home pregnancy test, in 1965. Credit: Anna Kaufman
Margaret Crane, inventor of America’s first home pregnancy test, in 1965. Credit: Anna Kaufman
Margaret Crane, inventor of America’s first home pregnancy test, in 1965. Credit: Anna Kaufman
Margaret Crane, inventor of America’s first home pregnancy test, in 1965. Credit: Anna Kaufman
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