Taking Charge of Your Fertility Software ("TCOYF") is a software program designed to assist couples in achieving pregnancy quickly and knowledgeably. It is based on the best-selling book Taking Charge Of Your Fertility by Toni Weschler, MPH and was developed with the author's assistance. The book describes the scientifically proven Fertility Awareness Method (FAM), a natural form of family planning, in a way that makes it accessible to everyone. TCOYF is the only software application authorized and designed by Toni Weschler to complement her book.PLEASE NOTE: While the book Taking Charge of Your Fertility was written with both pregnancy achievement and avoidance in mind, Taking Charge of Your Fertility Software is intended to be used for pregnancy achievement only and has been approved by the US Food and Drug Administration as an aid-to-conception only. It is not intended to be used as a method of birth control.