Fertility Awareness, or Natural Family Planning, is the most natural way to prevent pregnancy or to attempt pregnancy. The amazing thing is, anybody can do it. The most important thing you need to use it as a method of birth control? Knowledge. A Woman’s Cycle As you know, the female body works in reproductive cycles. Though it may vary from person to person, let’s use the average 28-day cycle as a point of reference. The first day of menses is day 1. It is also the same day that the follicular phase begins; in other words, the time when an egg is maturing. Estrogen is the key player during this…