Sentence:  In Egyptian law, the marital presumption of paternity remains unassailable, which indicates that the social purposes it is designed to server -- defending the integrity of the marital family, protecting against the <WSD>bastardization</WSD> of children, and preventing exposure of the immoral conduct of the parents --- are still the dominant societal norms. 
Meaning of the word marked with <WSD> tags:  The making of a bastard or bastards; Having children out of wedlock or destroying the legitimacy of children's paternity.