Wielki słownik angielsko-polski red. nacz D. Jemielniak, M. Miłkowski
(Noun) medycyna metoda naturalna;
Wordnet angielsko-polski
(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) )
kalendarzyk małżeński
synonim: rhythm method of birth control
synonim: rhythm
synonim: calendar method of birth control
synonim: calendar method