Meaning : 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).
Synonyms : calendar method, calendar method of birth control, rhythm, rhythm method of birth control
Rhythm method ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Rhythm method ka matlab kya hota hai?