A thoroughly revised and expanded edition of the leading book on fertility and women's reproductive health. Toni Weschler has taught a whole new generation of women how to become pregnant, avoid pregnancy naturally and gain better control of their gynecological and sexual health by taking just a couple minutes a day using the proven Fertility Awareness Method. This 20th Anniversary Edition has been thoroughly revised and fully updated with: the latest medical advances in assisted reproductive technologies (ART), more in-depth coverage of women’s gynecological and sexual health, new illustrations, photographs, and an expanded color insert, new sample charts and an expanded appendix. Six new chapters including: Three Prevalent Conditions - Endometriosis, Ovarian Cysts and PCOS. Natural Ways to Balance Your Hormones. Preserving Your Future Fertility. Miscarriages. Idiopathic Infertility. Causes of Unusual Bleeding. Clear and comprehensive, yet warm and approachable, this is an essential reference for every woman of reproductive age. For further information, please visit TCOYF.com, the official companion website for this book.