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Billings method
- IPA[ˈbiliNGz ˈmeTHəd]
- a system for finding the time of ovulation by examining cervical mucus. It can be used as a form of birth control by avoiding sexual intercourse at that time.
noun: Billings method
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- a system for finding the time of ovulation by examining cervical mucus. It can be used as a ...
Oxford Dictionary