Keywords: Child development ; Child welfare ; Early childhood education ; ACADEMIC ACHIEVEMENT ; ACCESS TO EDUCATION ; ACCESS TO HEALTH SERVICES ; ADAPTATION ; ADDICTION ; ADEQUATE NUTRITION ; ADJUSTMENT ; ADOLESCENT GIRLS ; ADULT LIFE ; AGED ; ARITHMETIC ; ASSESSMENT INSTRUMENTS ; ATTENTION ; BEHAVIOR CHANGE ; BREASTFEEDING ; CARDIOVASCULAR DISEASES ; CAREGIVERS ; CHILD CARE ; CHILD DEVELOPMENT ; CHILD EDUCATION ; CHILD GROWTH ; CHILD HEALTH ; CHILD MORTALITY ; CHILD RIGHTS ; CHILD SURVIVAL ; CHILD WELFARE ; CHILDHOOD DEVELOPMENT INTERVENTIONS ; COGNITIVE ABILITY ; COGNITIVE ACHIEVEMENT ; COGNITIVE DEVELOPMENT ; COGNITIVE OUTCOMES ; COGNITIVE PROCESSES ; COGNITIVE SKILLS ; COHORT STUDIES ; COMMUNITY HEALTH ; COMPETENCE ; CONVENTION ON THE RIGHTS OF THE CHILD ; CURIOSITY ; DAP ; DELINQUENCY ; DEVELOPMENTAL POTENTIAL ; DEVELOPMENTAL PSYCHOLOGY ; DIABETES ; DIARRHEAL DISEASES ; DIPHTHERIA ; DISADVANTAGED CHILDREN ; EARLY BRAIN DEVELOPMENT ; EARLY CHILD DEVELOPMENT ; EARLY CHILDHOOD ; EARLY CHILDHOOD CARE ; EARLY CHILDHOOD DEVELOPMENT ; EARLY CHILDHOOD DEVELOPMENT PROGRAMS ; EARLY CHILDHOOD EDUCATION ; EARLY CHILDHOOD ENVIRONMENT RATING SCALE ; EARLY CHILDHOOD INTERVENTION ; EARLY EDUCATION ; EARLY GRADES ; EARLY INTERVENTION ; EARLY LEARNING ; EARLY STIMULATION ; EARLY YEARS OF LIFE ; ECCD ; ECCE ; ECD ; ECD PROGRAMS ; ECERS ; EDUCATIONAL ATTAINMENT ; EDUCATIONAL OUTCOMES ; EDUCATIONAL PERFORMANCE ; EMOTIONAL DEVELOPMENT ; ENROLLMENT ; ENROLLMENT OF GIRLS ; ENROLLMENT RATES ; ENVIRONMENTAL FACTORS ; EPIDEMIOLOGY ; EXTENDED FAMILY ; FAMILIES ; FAMILY MEMBERS ; FINE MOTOR SKILLS ; FIRST GRADE ; FORMAL LEARNING ; GIRLS ; GRADE RETENTION ; HEALTH CARE ; HEALTH OUTCOMES ; HEALTH SERVICES ; HEALTHY GROWTH ; HOME VISITS ; HOUSEHOLD SURVEYS ; HUMAN DEVELOPMENT ; HYGIENE ; HYPERTENSION ; IMAGINATION ; IMMUNIZATION ; INFANCY ; INFANT MORTALITY ; INFANTS ; INHIBITION ; INSTRUCTION ; INTERVENTION ; INTERVENTIONS ; IODINE DEFICIENCY ; IRON ; JUVENILE ; KINDERGARTEN ; KNOWLEDGE GAPS ; LANGUAGE DEVELOPMENT ; LEARNING ; LEARNING ACHIEVEMENT ; LEARNING OPPORTUNITIES ; LEARNING OUTCOMES ; LEGAL STATUS ; LIFE CYCLE ; LITERACY ; LOW BIRTH WEIGHT ; MALNUTRITION ; MANAGEMENT INFORMATION SYSTEM ; MARIJUANA ; MEASLES ; MEMORY ; MENTAL DEVELOPMENT ; MENTAL HEALTH ; MENTAL HEALTH PROBLEMS ; MENTAL RETARDATION ; MORBIDITY ; MORTALITY ; MOTIVATION ; NAEYC ; NATIONAL EDUCATION ; NEEDS ASSESSMENT ; NUTRITION ; OBESITY ; OLDER CHILDREN ; OLDER GIRLS ; PARENT EDUCATION ; PARENTING ; PATIENT ; PERCEPTION ; PHYSICAL ACTIVITY ; PHYSICAL DEVELOPMENT ; PHYSICAL GROWTH ; PLAYING ; PRE-SCHOOL EDUCATION ; PREGNANCY ; PREGNANT WOMEN ; PRENATAL NUTRITION ; PREPRIMARY EDUCATION ; PRESCHOOL EDUCATION ; PRESCHOOL PROGRAMS ; PRESCHOOLS ; PRIMARY SCHOOL ; PRIMARY SCHOOL LEVEL ; PRIMARY SCHOOL PERFORMANCE ; PRIVATE EXPENDITURE ; PSYCHIATRY ; PSYCHOMOTOR SKILLS ; PUBLIC EXPENDITURE ; PUBLIC HEALTH ; PUBLIC SCHOOLS ; QUALITY OF LEARNING ; READING ; REPETITION RATES ; RISK FACTORS ; SCHOOL READINESS ; SCHOOL-AGE CHILDREN ; SCHOOLING ; SCHOOLS ; SCREENING ; SEXUALLY TRANSMITTED INFECTIONS ; SIBLINGS ; SMOKING ; SOCIAL ASSISTANCE ; SOCIAL BEHAVIOR ; SOCIAL DEVELOPMENT ; SOCIAL EXCLUSION ; SOCIAL PROTECTION ; SOCIAL SKILLS ; SPECIAL EDUCATION ; SPEECH ; STUDENT LEARNING ; SUBSTANCE USE ; TEACHERS ; TETANUS ; THOUGHTS ; TODDLERS ; UNEMPLOYMENT ; VERBAL COMMUNICATION ; VULNERABLE CHILDREN ; VULNERABLE GROUPS ; WORKERS ; YOUNG ADULT ; YOUNG CHILDREN ; YOUNGSTERS ; YOUTH