Resultado del Embarazo; Embarazo; Aborto Inducido; Adolescente; Adulto; Etnicidad; Femenino; Muerte Fetal/epidemiología; Humanos; Edad Materna; Embarazo en Adolescencia; Estados Unidos

Abortion, Induced; Age Factors; Americas; Comparative Studies; Cultural Background; Demographic Factors; Developed Countries; Developing Countries; Estimation Technics; Ethnic Groups; Family Planning; Fertility; Fertility Control, Postconception; Fertility Measurements; Fetal Death; Infant Mortality; Live-birth Pregnancy Rate; Maternal Age; Measurement; Mortality; North America; Northern America; Parental Age; Population; Population Characteristics; Population Dynamics; Pregnancy; Pregnancy Outcomes; Pregnancy Rate; Reproduction; Research Methodology; United States