Cov khoom siv yog siv rau hauv vitro kom paub qhov ntau ntawm cov concentration ntawmprogesterone (Prog) hauv tib neeg cov ntshav ntshav, ntshav lossis ntshav kuaj tag nrho.
Cov khoom siv yog siv rau kev tshawb nrhiav kom muaj nuj nqis ntawm qhov concentration ntawm tib neeg txoj kev loj hlob hormone (HGH) hauv tib neeg cov ntshav, ntshav lossis ntshav kuaj tag nrho hauv vitro.