title: The effect of labor force participation on the relation between migration status and fertility in San Juan, Puerto Rico.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001723:Birth Rate; D004641:Emigration and Immigration; D004651:Employment; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D009790:Occupations; D011247:Pregnancy; D011647:Puerto Rico; D012424:Rural Population; D012959:Socioeconomic Factors; D014505:Urban Population; D014507:Urbanization; D014937:Work