The article theorizes a biosocial perspective about the biosocial indicators of the hipogamy what means about biosocial parameters that explain the social situation of the women which get married with individuals in a social class below them. So: (1) It defends that the dialogue betwen the sociology and the biosocial approachs like Evolutionary Psychology can contributes for thinking a biosocial theory of hipogamy; (2) It present a possible explanation for the reason of the negligence of the sociological literature on hipergamy phenomenon; (3) it suggest that the phenomenon of the growth of the women householder headship can be a good point for starting to study the hipogamy phenomenon; (4) It present some theoric references as the beggining of an explanation of the hipogamy and to establish their biosocial indicators.
hipogamy; marriage; social stratification; Evolutionary Psychology