Early fertility and lifetime fertility.
Teenage mothers are likely to have more children than those who postpone childbearing, but these differences are not as great as they used to be. There is also a pattern of convergence between black women and white women.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D005006:Ethnicity; D005191:Family Characteristics; D005260:Female; D005298:Fertility; D006801:Humans; D011247:Pregnancy; D014481:United States