Longdom Publishing S.L https://www.longdom.org/ Longdom Publishing S.L. specializes in digital advertising to help clients inform and attract new customers quickly and efficiently. https://www.longdom.org/global-research-journal-science-nature/current-issue.html Global Research Journal of Science and Nature Volume 1, Issue 2 https://www.longdom.org/articles/action-of-contractile-fraction-of-vernonia-amygdalina-del-ethanolic-extract-on-hormonal-profile-of-estrogen-and-progeste.pdf Action of contractile fraction of Vernonia amygdalina Del ethanolic extract on hormonal profile of Estrogen and Progesterone in female albino Wistar rats Igwe Kalu Kalu, Ijeh IfeomaIrene and Okafor PolycarpN