this article annoyed me. because I'm being nitpicky I guess.
this gives the effectiveness ratings based on studies. Temping is more reliable than cyclebeads. I don't see how they can say that it has never been reliable
|Taking your temperature or checking your cervical mucus every day to figure out when you're ovulating has never been a convenient or reliable birth control technique.|
|CycleBeads are more than 95 percent effective|