Dr Mary RyanConsultant endocrinologist Dr Mary Ryan trained at Trinity College Dublin and obtained her MB BCH BAO in 1992. She then specialised in Endocrinology and General Medicine. She is on the Specialist Registrar and is a regular contributor to the media an health podcasts. She has written two bestselling guides to women's health: It’s Probably Your Hormones (2023) and It's Probably Your Period (2026). Read More Read Less