Desenvolvimento Humano; Mães/psicologia; Adulto; Feminino; Humanos; Idade Materna; Gravidez; Fatores Socioeconômicos

Adolescents; Age Factors; Americas; Birth Intervals--determinants; Cohort Analysis; Cross Sectional Analysis; Cultural Background; Demographic Factors; Developed Countries; Developing Countries; Economic Factors; Educational Status; Ethnic Groups; Family And Household; Family Characteristics; Family Relationships; Fertility Determinants; Fertility Measurements; Fertility Surveys; Fertility--changes; First Birth Intervals--determinants; Maternal Age--determinants; Mothers--determinants; North America; Northern America; Nulliparity; Parental Age; Parents; Parity--changes; Parity--determinants; Population; Population Characteristics; Population Dynamics; Probability; Religion; Research Methodology; Research Report; Residence Characteristics; Sampling Studies; Socioeconomic Factors; Statistical Studies; Studies; Surveys; Time Factors; United States; Whites; Women's Status--changes; Youth