Sisters of pregnant teens at risk of unwanted pregnancy, CDC says.
D001741:Black or African American; D000569:Americas; D001131:Arkansas; D003469:Culture; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D005006:Ethnicity; D005191:Family Characteristics; D005298:Fertility; D009656:North America; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D011275:Pregnancy, Unwanted; D012098:Reproduction; D012106:Research; D012725:Sexual Behavior; D012940:Social Problems; D014481:United States
Adolescent Pregnancy; Americas; Arkansas; Blacks; Cultural Background; Demographic Factors; Developed Countries; Developing Countries; Ethnic Groups; Family And Household; Family Characteristics; Fertility; North America; Northern America; Population; Population At Risk; Population Characteristics; Population Dynamics; Pregnancy; Pregnancy, Unwanted; Reproduction; Reproductive Behavior; Research Methodology; Social Problems; United States