The U.S. Food and Drug Administration announced that it would approve the use of Searle's Enovid, the first combined oral contraceptive pill.

The United States Food and Drug Administration is a federal agency of the Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food safety, tobacco products, caffeine products, dietary supplements, prescription and over-the-counter pharmaceutical drugs (medications), vaccines, biopharmaceuticals, blood transfusions, medical devices, electromagnetic radiation emitting devices (ERED), cosmetics, animal foods & feed and veterinary products.

G.D. Searle, LLC is a wholly owned subsidiary of Pfizer. It is currently a trademark company and subsidiary of Pfizer, operating in more than 43 countries. It also operates as a distribution trademark for various pharmaceuticals that were developed by G. D. Searle & Company. Searle is most notable for having developed the first female birth control pill, and the artificial sweetener NutraSweet. Searle also developed the drug Lomotil, an antidiarrheal medication. One notable alumnus of Searle is Donald Rumsfeld, the Secretary of Defense for George W. Bush in the 2000s. Prior to its 1985 merger with Monsanto, Searle was a company mainly focusing on life sciences, specifically pharmaceuticals, agriculture, and animal health.

Mestranol/norethynodrel was the first combined oral contraceptive pill (COCP) being mestranol and norethynodrel. It sold as Enovid in the United States and as Enavid in the United Kingdom. Developed by Gregory Pincus at G. D. Searle & Company, it was first approved on June 10, 1957, by the U.S. Food and Drug Administration for treatment of menstrual disorders. The FDA approved an additional indication for use as a contraceptive on June 23, 1960, though it only became legally prescribable nationwide and regardless of the woman's marital status after Eisenstadt v. Baird in 1972. In 1961, it was approved as a contraceptive in the UK and in Canada.