The fertility of migrants to and within North America.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001723:Birth Rate; D002170:Canada; D004641:Emigration and Immigration; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D008875:Middle Aged; D012923:Social Class; D014171:Transients and Migrants; D014481:United States