cubic meter
— Noun
– English
～ a metric unit of volume or capacity equal to 1000 liters
calendar method
— Noun
– English
～ 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)
contraceptive method
— Noun
– English
～ birth control by the use of devices (diaphragm or intrauterine device or condom) or drugs or surgery