Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A method of natural birth control that involves counting the days of a woman's menstrual cycle in order to determine when sexual intercourse is most or least likely to result in a pregnancy.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: calendar method, Knaus-Ogino method, Vatican roulette
Antonyms: none provided
noun
natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: rhythm method of birth control, rhythm, calendar method of birth control, calendar method
Antonyms: none provided
Broader terms: natural family planning
History
No etymology was provided for this word.
Across languages
1 source translations are retained for this English entry.
