Assertion: rhythm method's failure rate | /r/HasProperty | 25% per year
Facets:
Source sentences:
text: Imperfect use is fairly common, and the actual failure rate of the Rhythm Method is 25% per year.
text: The actual failure rate of the rhythm method is 25% per year.
text: The actual failure rate of calendar-based methods is 25% per year.
text: The actual failure rate of the rhythm method is 25% per year.