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Natural selection associated with birth weight. IV. U.S.A. data from 1950 to 1976
Author(s) -
TERRENATO L.
Publication year - 1983
Publication title -
annals of human genetics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.537
H-Index - 77
eISSN - 1469-1809
pISSN - 0003-4800
DOI - 10.1111/j.1469-1809.1983.tb00971.x
Subject(s) - birth weight , demography , selection (genetic algorithm) , white (mutation) , cohort , medicine , pregnancy , biology , genetics , artificial intelligence , sociology , computer science , gene
Summary Differential still birth rates as a function of birth weight have been studied in all single births in the United States of America (White and Non‐white groups) in the years 1950, 1958, 1967 and 1976. During the 26‐year interval a reduction of both the stabilizing effect and the intensity of selection have been observed. For the 1960 cohort it has been found that selection associated with birth weight is mainly operating in the perinatal period and only minor effects are still present at one year of age.