Medicine & Life Sciences
African Americans
6%
Birth Certificates
17%
Birth Order
15%
Birth Weight
12%
Cesarean Section
6%
Cohort Studies
48%
Health
3%
Health Maintenance Organizations
64%
Individuality
6%
Information Storage and Retrieval
5%
Managed Care Programs
81%
Medicaid
78%
Mothers
4%
Parturition
13%
Pregnancy
7%
Prenatal Care
13%
Psychological Identification
7%
Repeat Cesarean Section
10%
Sample Size
5%
Smoke
6%
Smoking
9%
Social Sciences
American
5%
certification
10%
cohort analysis
100%
health
2%
health maintenance organizations
8%
infant
5%
interpretation
3%
managed care
80%
pregnancy
11%
pregnant women
78%
secondary analysis
6%
smoking
12%
time
4%
trend
3%