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  • Title: Estradiol and estetrol plasma levels before and after intravenous administration of dehydroepiandrosterone sulfate in normal and pathologic pregnancies.
    Author: De Cecco L, Capitanio GL, Lanera P, Pedretti E, Ragni N, Rossato P, Venturini PL.
    Journal: Acta Eur Fertil; 1979 Mar; 10(1):1-13. PubMed ID: 161846.
    Abstract:
    Intravenous injections of 50 mg dehydroepiandrosterone sulfate (DHEAS) were given to 7 women with normal pregnancies and 5 with pathologic pregnancies and the serum levels of 17 beta-estradiol and estetrol were assayed before and at 15 or 30-minute intervals for three hours after the injection. All tests were carried out during the 25th to 36th week of amenorrhea. Serum estradiol rose rapidly in normal subjects and remained high to the end of the test. In patients with gestational pathology the estradiol pattern was not significantly different from that of the controls. Esterol plasma levels showed a biphasic pattern with an initial rise at 30 min. and a second rise at 90 min. in normal pregnancies, whereas in pathologic pregnancies this response was either lacking completely or was markedly reduced compared to the controls.
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