title: [Importance of biological fertility rhythm for birth control].
mesh_terms: D001831:Body Temperature; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D005640:Follicle Stimulating Hormone / Q000378:metabolism; D006801:Humans; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D007986:Luteinizing Hormone / Q000378:metabolism; D008598:Menstruation; D008722:Methods; D010060:Ovulation; D010507:Periodicity; D011247:Pregnancy; D013997:Time Factors
chemical_list: D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone
vernacular_title: Znaczenie biologicznego rytmu płodności dla regulacji urodzeń.