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In 1940, the most popular contraceptive among American women was vaginal douching with a concentrated dose of Lysol disinfectant. In the ad, a girl bent over the bed bites her batiste handkerchief while crying and the story is about unmarried wives and girls suffering from burns, poisoning, with many cases of death calculated since 1911. The female students instead tried to avoid unwanted pregnancies with Coca Cola, sprinkled after unsafe intercourse, and Harvard Medical School was rumored, as late as the 1980s, to consider the technique effective.