Incest has, over time, experienced a tumultuous incrimination, from the death penalty to decriminalization and re-incrimination. The arguments put forward in support of this rule are often related to the eugenic aspect and the affectation of family relationships. In this publication, we discussed both reasons, the first of which, in contrast to genetic diseases and malformations that may occur during pregnancy, in non-incestuous couples, and the last, we presented in the light of the theory of genetic sexual attraction.
