Subject
United States
14
Health surveys
13
Family planning
11
Family size Statistical methods
10
Fertility, Human
10
Contraceptives
9
Family planning services
8
Family life surveys
7
Family planning services Utilization
7
Fertility, Human Statistical methods
7
Birth control Statistical methods
5
Birth control Utilization
4
Childbirth
4
Contraception Utilization
4
Oral contraceptives Utilization
4
Birth control
3
Condom use
3
Families
3
Fertility
3
Marriage
3
Methodology
3
Physician services utilization
3
Sex
3
Teenage girls Medical care
3
Families Health and hygiene
2
Family size
2
Health behavior
2
Hospitals Admission and discharge
2
Married women
2
Population forecasting
2
Pregnancy
2
Risk assessment
2
Sampling (Statistics)
2
Teenage pregnancy
2
Teenagers Sexual behavior
2
Unmarried couples
2
Women's health services Utilization
2
AIDS (Disease)
1
Abnormalities, Human Genetic aspects
1
Adoption
1
Adoptive parents
1
Ambulatory medical care Utilization
1
Birth control clinics
1
Birth control clinics Statistical services History
1
Birth control clinics Utilization
1
Birth intervals
1
Children
1
Children Health and hygiene
1
Cohabitation agreements
1
Contraception
1
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