[Conscientious objection for health professionals in ethics and deontology].

The main objective of this paper is to highlight the numerous conflicts enters the consciousness and the laws are becoming more frequent health professionals in daily clinical practice. Clarify and define concepts such as ″conscientious objection for health professionals, to avoid confusion with other terms. This is work that aims to address the objection of conscience, not from the law but from the ethics and deontology, reviewing existing regulations both internationally and nationally.