<P> In 1909 , Richard Richter developed the first intrauterine device made from silkworm gut , which was further developed and marketed in Germany by Ernst Gräfenberg in the late 1920s . In 1951 , a chemist , named Carl Djerassi from Mexico City made the hormones in progesterone pills using Mexican yams . Djerassi had chemically created the pill but was not equipped to distribute it to patients . Meanwhile , Gregory Pincus and John Rock with help from the Planned Parenthood Federation of America developed the first birth control pills in the 1950s , such as mestranol / noretynodrel , which became publicly available in the 1960s through the Food and Drug Administration under the name Enovid . Medical abortion became an alternative to surgical abortion with the availability of prostaglandin analogs in the 1970s and mifepristone in the 1980s . </P>
<P> In 1909 , Richard Richter developed the first intrauterine device made from silkworm gut , which was further developed and marketed in Germany by Ernst Gräfenberg in the late 1920s . In 1951 , a chemist , named Carl Djerassi from Mexico City made the hormones in progesterone pills using Mexican yams . Djerassi had chemically created the pill but was not equipped to distribute it to patients . Meanwhile , Gregory Pincus and John Rock with help from the Planned Parenthood Federation of America developed the first birth control pills in the 1950s , such as mestranol / noretynodrel , which became publicly available in the 1960s through the Food and Drug Administration under the name Enovid . Medical abortion became an alternative to surgical abortion with the availability of prostaglandin analogs in the 1970s and mifepristone in the 1980s . </P>
where was the first birth control pill invented
where was the first birth control pill invented
Mexico City
Mexico City