The constitution of a family is a very important motivation for workers. However, pregnancy and motherhood are times of vulnerability for women workers and their families. Working women in pregnancy and working mothers in breastfeeding require special protection to avoid harm to their health or that of their children. At the same time, they require protection that guarantees them the continuity of their employment. The State recognizes and pays special attention to this situation and has as an initiative to recognize the rights that are obtained at the beginning of the pregnancy stage. As a general objective it is to describe what are the requirements that the Ministry of Labor requires to authorize the dismissal of a woman in a pregnancy The methodological strategy used to carry out this research is framed in a descriptive, quantitative-qualitative approach, basically in those that fall within the scope of the Hermeneutical Method whose purpose is to understand and interpret and used documentary analysis as a technique. The main conclusion that stands out is that to terminate the work contract, it is necessary to have prior authorization from the Ministry of Labor. The dismissal of a working woman who is in a state of pregnancy, must obey to an objective cause or a just cause duly proven, in addition to the previous qualification of the competent administrative authority