calendar method of birth control

Noun calendar method of birth control has 1 sense

• calendar method of birth control(n = noun.act) calendar method, rhythm, rhythm method, rhythm method of birth control - 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); Array
is a kind of natural family planning