More About Natural Family Planning
The three main types of natural family planning include the calendar-based, symptoms-based, and lactational amenorrhea methods. These techniques are used to track a woman’s signs of fertility by observing her cervical position, cervical mucus, and basal body temperature. To avoid pregnancy, the woman should avoid sexual intercourse during her fertile periods.
Modern devices such as computerized fertility monitors can also be used for more accurate results. These track the woman’s hormonal levels as well as the electrical resistance of her saliva.
This method of family planning has been shown to be up to 99% effective, if strictly monitored. However, they do not protect either party from sexually-transmitted infections.