The mother of a 17-year-old girl with down syndrome tells the nurse that her daughter recently stated that she has a boyfriend. the mother is concerned that her daughter might become pregnant. which is the most appropriate suggestion by the nurse? "i understand your concern; you may want to enroll your daughter in an abstinence program." "this may be difficult, but you may want to suggest that your daughter break off the relationship." "women with down syndrome are infertile, so you do not need to worry about her getting pregnant." "i understand your concern; you may want to start your daughter on long-acting contraception."