Early birth control study probed effectiveness of pill
Excerpt from the April 17, 1965 issue of Science News Letter
POTENT PILL A 1960s study probed birth control pills’ effectiveness in preventing pregnancy. Researchers are still trying to make a pill for men.
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Birth control pill found safe for 11,711 women — Women have used certain birth control pills for as long as 3½ years without developing new side effects, physicians from Planned Parenthood–World Population reported.