Renowned endocrinologist Dr Mary Ryan is back with a comprehensive guide to all you need to know about period health, from the science behind menstruation to practical advice on managing your cycle. Explore the biology of bleeding, the hormonal changes that shape your body and mind, and what constitutes a healthy menstrual cycle. You’ll find advice on navigating common menstrual challenges, including PMS, irregular periods, and conditions like endometriosis and PCOS. With a focus on empowering women to be experts in their own health, Dr Ryan looks at crucial topics such as fertility, mood and mental health throughout your cycle, as well as the impact of diet, exercise and stress. She also addresses the transition to perimenopause and menopause, offering insights on maintaining physical and mental well-being throughout the life stages. Despite recent improvements, many women still struggle to get the support they need with their menstrual health. This book addresses common misconceptions and offers a vital resource to understanding your body and embracing period health as an essential part of well-being. Dr Mary Ryan trained in Trinity College Dublin and obtained her MB BCH BAO MA MD. She then specialised in endocrinology. She is also on the Specialist Registrar and is an adjunct Professor in Trinity College Dublin and has helped set up the postgraduate school in University of Limerick in 2007 and is still teaching medical students there. She has long been championing the causes of women and is one of the key experts on perimenopause and menopause. She is a regular contributor to the media and health podcasts and is the author of the bestselling book It’s Probably Your Hormones, which was nominated for an Irish Book Award. She is passionate about education and believes it is the best way to create positive change.