Greer, Germaine. Sex and Destiny. Harper and Row, 1984.
138
22 November 1951: Syntex, of Mexico City, patented norethisterone,...
National or international item
22 November 1951
Syntex
, of Mexico City, patented norethisterone, an oral progestational agent, which became the basis of later oral contraceptives.
Asbell, Bernard. The Pill: A Biography of the Drug that Changed the World. Random House, 1995.
110
Hordern, Anthony. Legal Abortion: The English Experience. Pergamon, 1971.
48
1952: A contraceptive tablet of phosphorated hesperedin...
Building item
1952
A contraceptive tablet of phosphorated hesperedin was produced by G. D. Searle
's laboratories in Chicago.
Trager, James. The Women’s Chronology: A Year-by-Year Record, from Prehistory to the Present. Henry Holt, 1994.
549
Williams, Neville. Chronology of the Modern World: 1763 to the Present Time. David McKay, 1967.
629
August 1953: Scientist Gregory Pincus, working for G....
Building item
August 1953
Scientist Gregory Pincus
, working for G. D. Searle
, patented a compound very similar to synthetic oestrogen (first made in Syntex
labs nearly two years before) and set about using it, as Syntex
had...
