Search Result：calendar method of birth control
calendar method of birth control 
(TTS Sound)
(TTS Sound)Overview of noun calendar_method_of_birth_control
The noun calendar method of birth control has 1 sense
- rhythm method of birth control, rhythm method, rhythm, calendar method of birth control, calendar method -- (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))