Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector8005410.17816/kazmj80054AbstractPreparation of female sex hormone from urine, especially from urine of pregnant women. Zondek. (Klin. Wochnschr. 7, 485, 1928)15081929257-88628621309202113092021Copyright © 1929, Eco-Vector1929<p>The female sex hormone gives a true aqueous solution. It is abundant in the urine of pregnant women and pregnant animals. Under certain conditions and in addition to pregnancy, for example, during menopause, urine contains large amounts of this hormone.</p>Kazan Medical archiveКазанский медицинский архив