[Adolescent pregnancy: epidemiological perspectives].
D000293:Adolescent; D000367:Age Factors; D000569:Americas; D000886:Anthropometry; D001290:Attitude; D001519:Behavior; D001695:Biology; D001724:Birth Weight; D001835:Body Weight; D002657:Child Development; D002677:Chile; D000013:Congenital Abnormalities; D009358:Congenital, Hereditary, and Neonatal Diseases and Abnormalities; D003695:Delivery of Health Care; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D004194:Disease; D004467:Economics; D004522:Educational Status; D004651:Employment; D005191:Family Characteristics; D005298:Fertility; D006128:Growth; D006262:Health; D006296:Health Services; D007086:Illegitimacy; D007226:Infant Mortality; D007843:Latin America; D008423:Maternal Age; D008427:Maternal Health Services; D008430:Maternal-Child Health Centers; D008511:Medicine; D009026:Mortality; D010290:Parents; D010331:Paternal Age; D010827:Physiology; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D011275:Pregnancy, Unwanted; D011295:Prenatal Care; D011320:Primary Health Care; D012098:Reproduction; D012106:Research; D012107:Research Design; D012725:Sexual Behavior; D012923:Social Class; D012959:Socioeconomic Factors; D013020:South America
Adolescent Pregnancy; Adolescents; Adolescents, Female; Age Factors; Americas; Anthropometry; Attitude; Behavior; Biology; Birth Weight; Body Weight; Child Development; Chile; Congenital Abnormalities; Delivery Of Health Care; Demographic Factors; Developed Countries; Developing Countries; Diseases; Economic Factors; Educational Status; Employment Status; Family And Household; Family Characteristics; Fertility; Growth; Health; Health Services; Infant Mortality; Latin America; Macroeconomic Factors; Maternal Age; Maternal Health Services; Maternal-child Health Services; Measurement; Medicine; Mortality; Neonatal Diseases And Abnormalities; Neonatal Mortality; Parental Age; Paternal Age; Physiology; Population; Population Characteristics; Population Dynamics; Pregnancy; Pregnancy, Unwanted; Premarital Pregnancy; Prenatal Care; Primary Health Care; Reproduction; Reproductive Behavior; Research Methodology; Socioeconomic Factors; Socioeconomic Status; South America; Youth