[Birth-time of the year now and hundred years ago].
In Umea, in norther Sweden, 1984-94 many more children were born in March, April and May, than in October, November, December. 1895-1904 child birth were common in June, September, October and least in January, February. Contraceptives probably have caused the change, but other factors may have had some influence.
Lindqvist
B
B
D004777:Environment; D005260:Female; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy; D012621:Seasons; D013548:Sweden
Fodelsearstid nu och for hundra ar sedan.