11. :: It's got a much higher success rate than the " rhythm method " does. 12. The most common forms of birth control in Japan are condoms and the rhythm method . 13. In 1930, John Smulders, Rhythm Method of contraception is ironically referred to as the in Japan. 14. How can the rhythm method be " based " in fertility awareness if rhythm came first? 15. Calendar abstinence, or the rhythm method , was used by 17 % of female teens in 2006-2008. 16. That, and never, ever trust the rhythm method . 17. As such, she campaigned heavily against licentiousness, prostitution and contraceptives, arguing instead for the rhythm method . 18. On August 4, 2015, Christie stated that he has used birth control other than the rhythm method . 19. He got Knaus Ogino rhythm method of contraception was ineffective due to the variations of the cycle. 20. Teachers of symptoms-based methods take care to distance their systems from the poor reputation of the rhythm method .
