Engelsk substantiv: rhythm method of birth control | |||
1. | rhythm method of birth control (om handling) 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) | ||
Ord med samme betydning (synonymer) | calendar method, calendar method of birth control, rhythm, rhythm method | ||
Mindre spesifikke uttrykk | natural family planning | ||