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- Title
THE GEOGRAPHIC FACTOR IN THE HUMAN SEX RATIO AT BIRTH.
- Authors
Chambliss, Rollin
- Abstract
The article evaluates the effect of geographic condition on the human sex ratio at the time of birth In a detailed study of the climatic factor made early in the present century, it is concluded that climate does not have the least influence on the sex ratio of human beings at birth. The nations of the earth do indeed present some remarkable variations in the reported proportion of the sexes at birth. Cold countries and hot countries are represented in each group, wet countries and dry, high countries and low. We should have great difficulty in deciding from these data whether a hot climate raises the ratio or lowers it. In the U.S. there is a wide variety of climate, of mountains and plains, of well-watered and dry areas. If these factors have anything to do with the sex ratio at birth, there ought to be in this country some indication of their influence. The factor of race can be eliminated to some extent because of the separation in the vital statistics of the U.S. of the major racial groups. There is considerable similarity in the practices followed throughout the nation in the practices followed throughout the nation in reporting birth.
- Subjects
UNITED States; SEX ratio; CHILDBIRTH; SEX distribution; HOUR of birth; GEOGRAPHICAL positions
- Publication
Social Forces, 1949, Vol 28, Issue 2, p190
- ISSN
0037-7732
- Publication type
Article
- DOI
10.2307/2572646