American College of Obstetricians and Gynecologists (ACOG): The American College of Obstetricians and Gynecologists is an organization concerned with the quality of ob/gyn practice in the U.S. It is called "a cog."

The members of ACOG are "Women's Health Care Physicians." ACOG is (in their own words) "the nation's leading group of professionals providing health care for women. As a private, voluntary, nonprofit organization, ACOG: Serves as a strong advocate for quality health care for women. Maintains the highest standards of clinical practice and continuing education of its members. Promotes patient education and stimulating patient understanding of, and involvement in, medical care. Increases awareness among its members and the public of the changing issues facing women's health care."