The Mexican Social Security Institute, as a part of the National Health System, endeavors to observe the social security principies, i.e.: universality, solidarity, integrity, equity and efficiency; assisting the beneficiaries with opportuneness, quality and kindness; assuming, since fifty three years ago, the responsibiiity of looking over the health of more than fifty per cent of the population, made up by the families that constitute the main manpower of the country.

The integral reproductive health approach presented in this book represents an important effort of institutional conciliation by the Mexican Social Security Institute, placing it at the forefront of the highly-specified innovative approaches in favor of its beneficiarles and of the population of our country as whole.