But the real revolution would come when unmarried women could use oral contraceptives. That took time. In the United States, by around 1970, ten years after the pill had been approved, state after state was making it easier for young unmarried women to get the pill, most obviously by lowering the legal age at which they could access the product. Universities began to open family-planning centers, and their female students began to use them. By the mid-1970s, the pill was overwhelmingly the most popular form of contraception for eighteen- and nineteen-year-old women in the United States.
