Lisa Hendrickson-Jack

MENSTRUATION ISN'T JUST ABOUT HAVING BABIES Your menstrual cycle is a vital sign, just like your pulse, temperature, respiration rate, and blood pressure. And it provides you with essential information about your health. The Fifth Vital Sign: Master Your Cycles and Optimize Your Fertility brings together over 1,000 meticulously researched scientific references in a textbook-quality guide to understanding your menstrual cycle. In this book you'll...