El Regimen de Seguridad Social en Colombia, Ley 100 de 1993, preceptuaba en el articulo 163, que para acceder a los servicios de salud, en el caso de las parejas formadas por union marital de hecho o vinculo natural de vivir en union libre, como beneficiario de un cotizante del regimen contributivo, POS (Plan Obligatorio de Salud), tenian como requisito la convivencia superior a dos anos. Esta norma legal contraviene la Constitucion Politica, en los principios Constitucionales de Dignidad Humana, no Discriminacion, Proteccion Integral de la Familia, Universalidad, y a la Vida Digna, asi como derechos fundamentales a la Vida, a la Igualdad, al Libre Desarrollo de la Personalidad, a la Unidad Familiar, a la Seguridad Social, y a la Salud, resultando afectada el 22,3% de la poblacion, vulneracion que ceso el 11 de julio de 2007 por Sentencia de inexequibilidad C-521 de 2007 de la Corte Constitucional. Abstract Legislation of Social Security in Colombia, law 100 of 1993, includes in article 163, that non legally married couples living together, in order to access health services as benefitiary of the person subscribed to the Obligatory Health Plan (Plan Obligatorio de Salud P.O.S,) they had, as a requirement to be living together for a minimum period of two (2) years. This rule goes against our Political Constitution in its principals of Human Dignity, No Discrimination, Integral Protection to the Family, Universability and a worthy live, as well as fundamentals rights as Live, Equality, free developement of personality, Family Union, Social Security and Health. That, affecting 22.3% of our population but had stopped on July the 11 th 2007 by sentence for being unconstitutional C-521 of 2007 of the Constitutional Court