title: [Conclusions and critical remarks on natural family planning].
mesh_terms: D001831:Body Temperature; D005193:Family Planning Services; D005260:Female; D006801:Humans; D008597:Menstrual Cycle; D012252:Natural Family Planning Methods; D010060:Ovulation; D011247:Pregnancy; D012306:Risk
vernacular_title: Schlussbetrachtung und kritische Bemerkungen zur natürlichen Familienplanung.