Children bearing children: adolescent pregnancy.
D000293:Adolescent; D002652:Child Behavior; D002668:Child Rearing; D003469:Culture; D005260:Female; D006801:Humans; D010414:Pennsylvania; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D000297:Psychology, Adolescent; D012306:Risk; D014481:United States