Columbia subject headings:
Harvard subject headings:
Fertility, Human--Argentina--Buenos Aires Metropolitan Area.
Sex role--Argentina--Buenos Aires Metropolitan Area.
Teenage pregnancy--Argentina--Buenos Aires Metropolitan Area.
Teenagers--Argentina--Buenos Aires Metropolitan Area--Attitudes.
Teenagers--Argentina--Buenos Aires Metropolitan Area--Sexual behavior.
Teenagers--Sexual behavior--Argentina--Buenos Aires Metropolitan Area.
Princeton subject headings:
Birth control--Argentina.
Contraceptives--Argentina.
Teenage pregnancy--Argentina.
Teenagers--Argentina--Sexual behavior.