snickersnickers

please help does steroids alter a mans DNA. when i was with my husband he was on steroids very heavy and on everything. he came off those for about two to three months in that time i became pregnant. as the child looks like me he believes she is not his 10years down the line. his hands, head and body frame has changed and i mean the bones, his hands are really big and his head is massive but bone and we have measured it several times.so i dont know what drug can do this?so we are now having a DNA test but before i do this i wanted to know if it will be altered. he is on steroids now and dont know if any of this will have an effect. he also belives i couldnt be pregnant as it wasnt out of his system. can anyone help me.