Is it permissible for a raped girl to lie to her husband that the hymen can be removed by many causes?

A girl's statement to her husband that the hymen can be removed by many causes is not a lie; rather, it is a truthful statement, because it is indeed removed by causes clarified in fatwas. This falls under the category of permissible "Tawriya" (double entendre), which is when a person utters words that bear two meanings, one of which the listener understands, while the speaker intends the other. This provides a way out of lying.