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The Strange Rise and Vanishing of Urine‑Derived Estrone Treatments
The Strange Rise and Vanishing of Urine‑Derived Estrone Treatments
Pregnancy urine became a pharmaceutical goldmine: by 1929 crystalline estrone was purified from pregnant women's urine and sold worldwide under names like Theelin and Progynon - yet estrone binds the estrogen receptor at only about 4% of estradiol's strength. How did a molecule so weak produce clear clinical reversals of surgical menopause, then disappear from most markets?
In this episode, we tell the story of how estrone moved from a 1927 discovery in a Berlin lab to a global medical product, the documented clinical…
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