Assertion: rhythm method's period | /r/CapableOf | last 6 to 9 days
Facets:
Source sentences:
text: The fertile period around ovulation lasts 6 to 9 days and during this time the couple should not have unprotected sex.
text: The fertile period around ovulation lasts 6 to 9 days and during this time the couple should not have unprotected sex.