title: Abortion and adolescence: relation between the menarche and sexual activity.
authors.forename: N
authors.initials: N
authors.lastname: Schor
mesh_terms: D000023:Abortion Applicants; D000028:Abortion, Induced; D000293:Adolescent; D000367:Age Factors; D000569:Americas; D001519:Behavior; D001938:Brazil; D003075:Coitus; D003710:Demography; D003906:Developing Countries; D005193:Family Planning Services; D005298:Fertility; D007843:Latin America; D008572:Menarche; D008598:Menstruation; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011253:Pregnancy in Adolescence; D012098:Reproduction; D012106:Research; D012725:Sexual Behavior; D013020:South America; D013223:Statistics as Topic
keywords: Abortion Seekers; Abortion, Induced--determinants; Adolescent Pregnancy; Adolescents; Adolescents, Female; Age Factors; Americas; Behavior; Brazil; Correlation Studies; Demographic Factors; Developing Countries; Family Planning; Fertility; Fertility Control, Postconception; First Intercourse; Latin America; Menarche; Menstruation; Population; Population Characteristics; Population Dynamics; Premarital Sex Behavior--determinants; Reproduction; Reproductive Behavior; Research Methodology; Sex Behavior; South America; Statistical Studies; Studies; Youth