Women’s awareness of methods of contraception. a. Women’s unprompted awareness of contraceptive methods (Q. What are ALL the methods of birth control you have ever heard of?). b: Women’s prompted awareness of contraceptive methods (Q. From the list of birth control methods below, please select the ones you have EVER HEARD OF or READ about) UK, n=510; Germany, n=514; Spain, n=510; Italy, n=503; USA, n=507 (note Persona® is not available in the USA).