 ... increase in the birth rate is noted in Madison, Wis., where in 1915 the birth rate was 164 per cent, higher than in 1910. Increases in birth rates as shown in the preceding table are absolutely inexplicable on the basis of a normal increase in fertility...  Transactions - Page 158by American Association for the Study and Prevention of Infant Mortality - 1917Full view - About this book
 | American Statistical Association - 1918 - 916 pages
...on the basis of a normal increase in fertility and can be explained only on the ground of improved registration. Our conclusion is, therefore, that in...through immigration. As might be expected the birth ratefor 1914 exceeded that for 1910, the figures being 24.7 and 22.6, respectively. Included in the... | |
| |
