Definition of Rhythm method of birth control
1. 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).
Generic synonyms: Natural Family Planning
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Lexicographical Neighbors of Rhythm Method Of Birth Control
Literary usage of Rhythm method of birth control
Below you will find example usage of this term as found in modern and/or classical literature:
1. Vicars of Christ: Popes, Power, and Politics in the Modern World by Michael P. Riccards (1998)
"... married couples could use the so-called rhythm method of birth control, that is, abstain from sex during the very few days when female ovulation occurs. ..."