The ‘Prophets of the Rabbit Test’ Predictions Fall Short of Today's Tests: More on the Birth Control’s Birthday

Enovid-E was the first pill approved for contraception in 1960. Pregnancy rates of the birth control pills then were higher than the rates we currently quote to women. But in fact, although those pills were dramatically stronger in hormonal dose, they were probably no more effective for pregnancy prevention than current pills. When Enovid-E, thought to be a 10 mg pill (newer calculations showed it was 9.85) came to the market in 1957 for the control of menstrual cycle bleeding it was a time during which the diagnosis of pregnancy, before fetal movement was not a simple matter. This was still in the time of 'Piss Prophets.' Doctors that could predict medical diagnoses from the interpretation of urine. The pregnancy test that had progressed to the point of sophistication was invested by Drs Selmar Aschheim and his young assistant is Bernhard Zondek. they had discovered that there was hormonal substance that could cause mice ovaries to swell. Although the original Aschheim-Zondek test used mice, by the 1950s was done in rabbits, which had to be sacrificed for the result to be revealed. In fact the substance they were taking advantage of was human chorionic gonadatropin (HCG), exactly what we test for these days. But our sensitive tests can detect even errant traces of HCG that probably aren't from current pregnancies and rates of failures are therefore reported higher than rates we report now. Gyno Gab gal keeps telling you, if we don't know our history, we are doomed to repeat it...so a bit of historical lore to teach us to be wary of test results.

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