The United States has had the highest rate of teen pregnancies in the industrialized world.
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D000293:Adolescent; D005260:Female; D006801:Humans; D009721:Nurse Midwives; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000706:statistics & numerical data; D011322:Primary Prevention / Q000379:methods*; D012946:Social Welfare; D014481:United States