Term: 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)
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: raggedness: shabbiness by virtue of being in rags
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: sharpie: a shallow-draft sailboat with a sharp prow, flat bottom, and triangular sail; formerly used along the northern Atlantic coast of the United States
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: nov-esperanto: an artificial language based on Esperanto
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: muller: a vessel in which wine is mulled
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: plowboy: a boy who leads the animals that draw a plow
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: audubon's warbler: common warbler of western North America
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: future: bulk commodities bought or sold at an agreed price for delivery at a specified future date
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: zaire: the basic unit of money in Zaire
Broader: natural family planning: any of several methods of family planning that do not involve sterilization or contraceptive devices or drugs; coitus is avoided during the fertile time of a woman's menstrual cycle | Unrelated: chicken hawk: nontechnical term for any hawks said to prey on poultry