Simples métodos de control de la natalidad

This book gives specific instruction on the use of two methods of family planning: Natural Family Planning and Fertility Awareness Method. These methods give couples natural choices: 1. To avoid pregnancy, you can determine when you are infertile and have sexual intercourse without conceiving. 2. To become pregnant, you can track the days of the month when you are most fertile and have intercourse when you are most likely to conceive. 3. These safe non-invasive techniques can be used by themselv