Trends and differentials in births to unmarried women : United States, 1970-76 /
Ventura, Stephanie J.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Office of Health Research, Statistics, and Technology, National Center for Health Statistics,
1980.
Includes bibliographical references.
Illegitimacy
Unmarried mothers
Childbirth
Prenatal care