The seasonality of conception
نویسندگان
چکیده
منابع مشابه
Seasonality of conception in human populations in Chile.
A B STR A C T. — Seasonality o f concep tions in hum an p opu lations in Chile was studied for a period o f 30 years (1945-1974). C lear seasonal conception courses exist in the country , exception m ade o f the n o rth e rn an d Southern extrem es. Seasonal flux is concen tra ted m ainly in Jan u a ry , b u t also secondary increases in A pril and June were observed. A long the 30-year period ...
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ژورنال
عنوان ژورنال: Demography
سال: 2007
ISSN: 0070-3370,1533-7790
DOI: 10.1353/dem.2007.0040