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)
French language
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rhythm method::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | calendar method, calendar method of birth control, rhythm, rhythm method of birth control |
| Type of | natural family planning |
