| Literature DB >> 511871 |
Abstract
Keywords: Adolescent Pregnancy; Adolescents; Age Factors; Age Reporting; Age Specific Fertility Rate; Americas; Blacks; Coitus; Contraception; Correlation Studies; Cultural Background; Demographic Factors; Developed Countries; Ethnic Groups; Family Planning; Fecundity; Fertility; Maternal Age; Menarche; Menstrual Cycle; Menstruation; North America; Northern America; Parental Age; Population; Population Characteristics; Population Dynamics; Pregnancy; Reproduction; Reproductive Behavior; Research Methodology; Research Report; Statistical Studies; Studies; United States; Urban Population; Whites; Women; Youth
Mesh:
Year: 1979 PMID: 511871 DOI: 10.1017/s0021932000012517
Source DB: PubMed Journal: J Biosoc Sci ISSN: 0021-9320