Columbia subject headings:
Sexual abstinence--United States.
Teenage pregnancy--Government policy--United States.
Unmarried mothers--United States.
Harvard subject headings:
Sexual abstinence--United States.
Teenage pregnancy--Government policy--United States.
Unmarried mothers--United States
Princeton subject headings:
Sexual abstinence--United States.
Teenage pregnancy--Government policy--United States.
Unmarried mothers--United States.