Population, food intake, and fertility. There is historical evidence for a direct effect of nutrition on reproductive ability.
Frisch
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Department of Population Sciences and Center for Population Studies, Harvard University, Cambridge, Massachusetts 02138, USA.
D000375:Aging; D001721:Birth Intervals; D001723:Birth Rate; D003273:Contraceptive Devices; D004032:Diet; D004739:England; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D006128:Growth; D049672:History, 19th Century; D006801:Humans; D007247:Infertility, Female; D008297:Male; D044342:Malnutrition; D008572:Menarche; D008593:Menopause; D012606:Scotland; D012923:Social Class; D012959:Socioeconomic Factors; D014857:Warfare