She founded, in 1974, the first gay organization in Mexico, Frente de Liberación Homosexual Mexicano (FLHM; Mexican Homosexual Liberation Front). As a feminist and sexology specialist she also held numerous conferences, seminars and national and international television interviews on the subject. In 1975, along with Carlos Monsiváis, she wrote the Manifesto in Defense of Homosexuals in Mexico. On October 2, 1978, during the march in commemoration of the Tlatelolco massacre, she headed the first gay pride march in the Plaza de las Tres Culturas.