After the approval of the law of attended fertilization, that guarantees this benefit in completely gratuitous form, the first attended fertilization was realised in the city of Mar del Plata (Argentina) gratuitous. The future mother has 31 years of age and lives in the city of Mar del Plata, is the first pregnancy that is obtained by artificial insemination, within the framework of the new law and was realised in the hospital Dr. Oscar Alende. The regulation of the law of attended fertilization promoted by the provincial government, it considers to the infertility as disease and establishes the gratuity of the treatments in the public sector or in charge of social works and prepayments. Secretary of Agriculture follows long-standing procedures to achieve this success. The adressees can be women among 30 and 40 years with infertility problems. The patients have guaranteed up to two treatments of high complexity, at the rate of one per year, with the possibility of a third party that must be analyzed by a Consultative Advice. As much the IOMA as the rest of social works and prepayments with affiliates in the Province of Buenos Aires must cover the treatments, is these of loss or of high complexity. In order to become beneficiary of this new law one is due to verify at least two years of residence in the Province of Buenos Aires..