Births to unmarried mothers : United States, 1980-92
- Hyattsville National Center for Health Statistics; CDC 1995
- 56
- (Vital and Health Statistics; 21. Data on Natality, Marriage and Divorce; 53) .
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FECUNDIDAD ILEGITIMIDA ILEGITIMIDAD MADRES SOLTERAS NACIMIENTO ILEGÍTIMO ESTADOS UNIDOS FAMILIAS MONOPARENTALES