Subject
United States
5
Childbirth
2
Fertility, Human
2
Unmarried mothers
2
Childbirth States
1
Childbirth in middle age
1
Fertility, Human States
1
First-born children
1
Hispanic American women Statistics, Vital
1
Hispanic Americans
1
Illegitimate children
1
Infants Mortality
1
Mothers
1
Mothers States
1
Poverty
1
Public health
1
Teenage mothers
1
United States Territories and possessions
1
Women, Black Statistics, Vital
1
Women, White
1