title: [Changes in the duration of the fertility phase].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005260:Female; D005298:Fertility; D005859:Germany, East; D006801:Humans; D008572:Menarche; D008593:Menopause; D008875:Middle Aged
vernacular_title: Die Veränderung der Dauer der Fertilitätsphase