[Time to be young].
D001519:Behavior; D003710:Demography; D019049:Developed Countries; D004467:Economics; D004493:Education; D004522:Educational Status; D005060:Europe; D005298:Fertility; D006285:Health Planning; D009934:Organization and Administration; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011174:Portugal; D011253:Pregnancy in Adolescence; D016730:Program Development; D011584:Psychology; D012736:Sex Education; D012725:Sexual Behavior; D012923:Social Class; D012959:Socioeconomic Factors
Adolescent Pregnancy--prevention and control; Behavior; Demographic Factors; Developed Countries; Economic Factors; Education; Educational Status; Europe; Family Planning Education; Fertility; Organization And Administration; Out-of-school Youths; Population; Population Characteristics; Population Dynamics; Portugal; Program Activities; Programs; Progress Report; Psychosocial Factors; Reproductive Behavior; School Age Population; Socioeconomic Factors; Socioeconomic Status; Southern Europe