PLASMA MAGNESIUM AND CARDIOVASCULAR CHANGES DURING MENSTRUAL CYCLE IN YOUNG NIGERIAN WOMEN 1 Olayaki L.A., Salman T.M., Ayinla M.T., Soladoye A.O. and 2 M.S. Ajao 1 Department of Physiology, 2 Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, University of Ilorin, P.M.B. 1515, Ilorin *Correspondence: Luqman A. Olayaki Department of Physiology and Biochemistry, Faculty of Basic Medical Sciences, College of Health Sciences, University of Ilorin, P.M.B. 1515, Ilorin, Kwara State, Nigeria. Tel.:234-8033814880; e-mail:luqmanolayaki@yahoo.com