The premature birth of a child or accompanied of some congenital anomaly represents for the parents an impact on the expectations of have a healthy son. This work did a cutting on bioethic referential of the solidarity, in the intervention in health like diagnosis communication humanization mechanism to the parents on the birth of a premature or deficient baby. The qualitative research was going accomplished in a São Paulo's State public maternity where were going interviewed twelve mothers and two couples that lived the birth of a premature or deficient child, besides fifteen medical neobornlogistes. The obtained data show that communicate the deficiency or prematureness diagnosis isn't simple task for both the parts involved in the process. The solidarity allows to build a reflection space of two found important aspects in this research: the reception to the parents and the support social nets construction possibility.
Bioethic; Solidarity; Communication; Premature birth; Deficiency