Did you know you can predict with 90% accuracy which day you will mensturate? Charting your fertility cycle is fun and empowering.
If you are a woman you MUST know this information. If you are a man who loves a woman, buy this book for both of you!
This book teaches about how to know exactly when you, a woman, ovulate and how to, and not to get pregnant.
Taking Charge of Your Fertility by Toni Weschler-