Interrelations between death rates and birth rates.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001699:Biometry; D001723:Birth Rate; D005260:Female; D005298:Fertility; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D008017:Life Expectancy; D008297:Male; D008393:Marriage; D008428:Maternal Mortality; D008875:Middle Aged; D009026:Mortality; D011247:Pregnancy