title: Changes in seasonality of birth rates in Germany from 1951 to 1990.
authors.affiliation: Institut für Reproduktionsmedizin der Universität, Münster.
authors.forename: A
authors.initials: A
authors.lastname: Lerchl
authors.forename: M
authors.initials: M
authors.lastname: Simoni
authors.forename: E
authors.initials: E
authors.lastname: Nieschlag
mesh_terms: D001723:Birth Rate / Q000639:trends; D002648:Child; D003276:Contraceptives, Oral; D005260:Female; D005858:Germany; D006801:Humans; D011247:Pregnancy; D012621:Seasons
chemical_list: D003276:Contraceptives, Oral