Infant, Newborn; Pregnancy in Adolescence; Adolescent; Adult; Ethnicity; Female; Humans; Israel; Marriage; Pregnancy; Pregnancy Outcome; Risk Factors; Smoking; Socioeconomic Factors

Adolescent Pregnancy; Age Factors; Asia; Behavior; Biology; Birth Weight; Body Weight; Comparative Studies; Cultural Background; Delivery Of Health Care; Demographic Factors; Developed Countries; Economic Factors; Ethnic Groups; Fertility; Health; Health Services; Israel; Low Birth Weight; Marital Status; Maternal Age; Maternal Health Services; Maternal-child Health Services; Mediterranean Countries; Nuptiality; Parental Age; Physiology; Population; Population Characteristics; Population Dynamics; Pregnancy; Pregnancy Outcomes; Prenatal Care; Primary Health Care; Psychosocial Factors; Reproduction; Reproductive Behavior; Research Methodology; Smoking; Socioeconomic Factors; Socioeconomic Status; Studies; Western Asia