Another look at the Hutterites and natural fertility.
D000293:Adolescent; D000328:Adult; D001721:Birth Intervals; D002170:Canada; D005006:Ethnicity; D005260:Female; D005298:Fertility; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D010298:Parity; D014481:United States