Source: Adapted from JE Manson with SS Bassuk: Hot Flashes, Hormones & Your Health. New York, McGraw-Hill, 2007. Source: Chapter 348. The Menopause Transition and Postmenopausal Hormone Therapy, Harrison's Principles of Internal Medicine, 18e Citation: Longo DL, Fauci AS, Kasper DL, Hauser SL, Jameson J, Loscalzo J. Harrison's Principles of Internal Medicine, 18e; 2012 Available at: http://accesspharmacy.mhmedical.com/DownloadImage.aspx?image=/data/books/harr/harr_c348f002.gif&sec=40761435&BookID=331&ChapterSecID=40727153&imagename= Accessed: October 15, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved