Birth weight and natural selection.
Differential mortality as a function of birth weight was studied in newborns up to the 1st week of life in Visakhapatnam, Andhra Pradesh (India). It was found that both selection intensity and selective deaths were higher than in other studies. Furthermore, in the present study the values obtained were higher for female than for male newborns.
D001724:Birth Weight; D005260:Female; D005313:Fetal Death / Q000473:pathology; D006801:Humans; D007194:India; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012641:Selection, Genetic; D012737:Sex Factors