title: [Is fertility of the population changed?].
authors.affiliation: Nasjonalt kompetansesenter for kvinnehelse Kvinneklinikken, Rikshospitalet, 0027 Oslo. tom.tanbo@rikshospitalet.no
authors.forename: Tom
authors.initials: T
authors.lastname: Tanbo
mesh_terms: D000293:Adolescent; D000328:Adult; D001723:Birth Rate / Q000639:trends; D003710:Demography; D005260:Female; D005298:Fertility; D005307:Fertilization in Vitro; D006801:Humans; D007246:Infertility / Q000453:epidemiology / Q000628:therapy; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D009664:Norway / Q000453:epidemiology; D012959:Socioeconomic Factors