This work analyzes the partial legalization of abortion in Colombia, from the perspective of the relationship between techno-scientific and legal expertise, in institutional fields like the Constitutional Court. For this aim, has been made a discursive and rhetoric analysis of related technical literature, in particular the Act C 355 of 2006 from the Constitutional Court. This dissertation presents the several kinds of interaction between science and law, as well as, the technical and textual devices that mediate in such interactions. Moreover, it examines the risk forms that are constructed by this kind of literature in the case of congenital malformations and sexual abuse.