In Chile, well-child Visits is managed by family medicines. Well-child visits are scheduled preventive healthcare appointments from newborn through adolescence, structured by the American Academy of Pediatrics Bright Futures periodicity schedule and similar national programs in other countries. The standard US schedule includes visits at 3-5 days, 1, 2, 4, 6, 9, 12, 15, 18, 24, and 30 months, then annually from age 3 through 21.
Well-child visits (sometimes called well-baby visits, child wellness checkups, or preventive pediatric visits) are scheduled clinical encounters dedicated to surveillance, screening, immunization, and anticipatory guidance in healthy children from birth through age 21. They are distinct from sick visits and follow the Bright Futures periodicity schedule published by the American Academy of Pediatrics (AAP) and endorsed by the American Academy of Family Physicians (AAFP). Each visit is age-specific in its content: a newborn visit focuses on feeding, weight gain, jaundice, and parental adjustment; a 2-month visit emphasizes early motor milestones, sleep safety, and immunizations; a 12-month visit includes anemia and lead screening, developmental surveillance, and transition to solid foods; the 9-month, 18-month, and 30-month visits include validated developmental screening (Ages and Stages Questionnaire) and the 18- and 24-month visits include autism-specific screening with M-CHAT-R. The clinical content is structured around the Bright Futures four-component model: developmental surveillance and screening, physical examination, screening tests including immunizations, and anticipatory guidance to parents/caregivers and (with age) the child.
The key symptoms of Well-child Visits are: These are preventive visits; the 'symptoms' equivalent is the structured agenda completed at each visit: growth measurement (length/height, weight, head circumference, BMI from age 2) plotted on age-appropriate WHO or CDC charts., Age-specific physical examination from head to toe, including red reflex in newborns and infants, fontanelle assessment, hip examination for developmental dysplasia, genitourinary exam, cardiac and pulmonary auscultation, and skin examination., Developmental surveillance at every visit and formal screening with validated tools at 9, 18, and 30 months (Ages and Stages Questionnaire) and autism-specific screening at 18 and 24 months (M-CHAT-R)., Vision screening from infancy (red reflex, fix-and-follow), age-appropriate visual acuity testing from 3 years (instrument-based or LEA chart), and color vision screening once in school age., Hearing screening at birth (universal newborn screen) and at age-appropriate visits using audiometry from 4 years., Anticipatory guidance to parents and (with age) child on feeding, sleep, safety (sleep position, car seats, water, firearms), discipline, mental health, school, screen time, and bullying., Immunizations on the CDC ACIP schedule, with catch-up vaccination as needed..
Well-child visits are not used to diagnose a specific disease but to identify problems early through validated screening tools and structured surveillance. The visit framework includes: a comprehensive history (interval health, feeding, growth, development, social, family, immunizations), age-specific physical examination, mandatory and selective screening tests, immunization assessment and administration, and anticipatory guidance. Tools used vary by age. Developmental surveillance occurs at every visit; formal developmental screening using validated parent-completed tools (Ages and Stages Questionnaire, Survey of Wellbeing of Young Children, Parents' Evaluation of Developmental Status) is recommended at 9, 18, and 30 months per AAP and USPSTF. Autism-specific screening with the Modified Checklist for Autism in Toddlers Revised (M-CHAT-R) is recommended at 18 and 24 months. Vision screening uses the red reflex test in infancy, instrument-based screening from 12-18 months in some clinics, and visual acuity testing with LEA symbols, HOTV, or Snellen from age 3. Hearing screening is mandated universally at birth. Mental health screening includes maternal depression at 1, 2, 4, and 6 month visits using Edinburgh PND Scale or PHQ-2/9; child suicide risk screening with the ASQ from age 8-10; and adolescent depression screening with PHQ-9 from age 12. Substance use screening (CRAFFT) and sexual health screening occur in adolescents. The HEEADSSS (Home, Education, Eating, Activities, Drugs, Sexuality, Suicide/Self-image, Safety) interview structures the adolescent psychosocial assessment. Laboratory screening includes hemoglobin/hematocrit at 12 months, blood lead at 12 and 24 months (universal in high-risk areas; risk-based elsewhere), lipid screen at 9-11 and 17-21 years, and HIV/STI screening per age and risk.
Children who complete the recommended well-child visit schedule have measurably better outcomes: higher rates of on-time vaccination, earlier detection of developmental disabilities, lower rates of preventable hospitalization, better school readiness, lower lead exposure, fewer dental caries, and better adolescent mental health outcomes. Population-level data from CDC and AAP show that increasing well-visit completion by 10 percentage points is associated with measurable reductions in vaccine-preventable disease incidence, ED visits for low-acuity conditions, and developmental delay identification gaps. Investment in pediatric primary care is one of the highest-return preventive health interventions documented, with cost-effectiveness analyses showing $3-$10 in long-term savings for each $1 spent on routine pediatric prevention. The 0-5 year period is particularly impactful because of rapid brain development and the long-term impact of early intervention for developmental, behavioral, and social drivers of health.
Well-child visits are typically delivered in primary care by family physicians, pediatricians, or pediatric nurse practitioners. Referral to subspecialists is triggered by positive screens or examination findings: developmental pediatrics or child neurology for developmental concerns, pediatric ophthalmology for vision concerns, audiology for hearing screen failure, child psychiatry for severe mental health concerns, and pediatric subspecialty care for chronic disease.
Find specialists →Well-child visits are not for recovery from an illness; the relevant timeline is the schedule itself. AAP Bright Futures periodicity: 3-5 days, 1 month, 2 months, 4 months, 6 months, 9 months, 12 months, 15 months, 18 months, 24 months, 30 months, then annually from age 3 through 21. Catch-up appointments are scheduled when visits are missed or vaccines are off-schedule. Total scheduled visits over the first 21 years: approximately 30 visits.
Physical activity recommendations per AAP and Bright Futures: infants — interactive floor play and tummy time. Toddlers and preschoolers — at least 3 hours daily of physical activity, much of it in unstructured play. School-age and adolescents — at least 60 minutes of moderate-to-vigorous activity daily, including bone-strengthening (running, jumping) and muscle-strengthening (climbing, age-appropriate resistance training) 3 days per week. Limit screen-based sedentary time and encourage outdoor activity with daylight exposure for circadian and mood benefit. For adolescents, support school sports and structured activity with appropriate gear and supervision.
Choose a family physician or pediatrician who follows the AAP Bright Futures schedule, completes routine developmental and behavioral screening, and provides continuity care. National Committee for Quality Assurance (NCQA) patient-centered medical home recognition signals adherence to evidence-based primary care. Confirm availability of after-hours advice, integrated behavioral health, and culturally and linguistically appropriate care.
Medically reviewed by AIHealz Medical Editorial Board · May 13, 2026
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