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Annual Pediatric Checkups: What Doctors Screen for at Each Age
The AAP Bright Futures schedule includes vision, hearing, mental health, cholesterol, and developmental screenings at specific ages. Here's what to expect at each well-child visit.
Most parents think of the annual pediatric checkup as a physical exam: weight, height, a look in the ears, and whatever vaccines are due. That’s a fraction of what a comprehensive well-child visit actually covers. The AAP Bright Futures guidelines — the standard of care for pediatric preventive health in the United States — include developmental screening, mental health assessment, vision and hearing checks, blood pressure monitoring, cholesterol screening at specific ages, and structured conversations about topics like sleep, screen time, and school performance.
Knowing what should happen at each visit helps parents prepare meaningful questions, notice if something was skipped, and recognize when to ask for a referral.
Key Takeaways
- AAP Bright Futures visits are scheduled at specific ages and include different screening tools at each stage — not all checkups are the same.
- Developmental screening (M-CHAT for autism, ASQ for developmental milestones) happens at 9, 18, and 30 months — and too many practices still skip these.
- Cholesterol screening is recommended once between ages 9–11 and once between 17–21 for universal screening, regardless of family history.
- Mental health screens (PHQ-A for adolescents) should begin at age 12; many practices do not routinely administer them unless prompted.
- At adolescent visits, pediatricians are trained to spend time with the teen privately — this is standard of care, not a rebuff to parents.
The Bright Futures Schedule: An Overview
The AAP Bright Futures schedule calls for well-child visits at: birth, 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.
Each visit has a specific set of anticipatory guidance topics, screening instruments, and physical examination components. The schedule is evidence-based — timing was determined by when particular conditions are most reliably detectable, when vaccines provide optimal protection, and when parental guidance has maximum developmental impact.
What Happens at Key Ages
Toddler Visits (12–30 Months)
These visits include the most formal developmental screening of childhood. At 18 months and 24 months, all children should receive the M-CHAT-R (Modified Checklist for Autism in Toddlers, Revised) — a validated instrument for early autism spectrum disorder screening. At 9 months, 18 months, and 30 months, the ASQ (Ages and Stages Questionnaire) or equivalent is used to assess developmental milestones across communication, gross motor, fine motor, problem-solving, and personal-social domains.
Lead screening (blood lead level) is recommended at 1 and 2 years for children with risk factors, and universally in high-risk areas.
Iron deficiency anemia screening via hemoglobin or hematocrit is typically done around 12 months, with additional screening for at-risk children.
Preschool Visits (3–5 Years)
Vision screening becomes more formalized in this age range. Photoscreening instruments or chart-based testing are used to detect amblyopia (lazy eye), which is most treatable when caught before age 7. A 2018 study in JAMA Ophthalmology found that vision screening in preschoolers detects amblyopia risk factors in approximately 5–10% of children, many of whom would otherwise go undetected until academic difficulties emerge.
Hearing screening continues — any child who failed a newborn hearing screen or has language delay should have a formal audiological evaluation if not already done.
Blood pressure is measured at every well-child visit starting at age 3.
School-Age Visits (6–11 Years)
Cholesterol screening: The AAP and the National Heart, Lung, and Blood Institute (NHLBI) recommend a universal cholesterol screen between ages 9 and 11. This is not a risk-based screen — it’s universal, because pediatric dyslipidemia often runs in families and may not be identified by family history alone. A 2020 study in Pediatrics found that universal screening identified dyslipidemia in children whose family history alone would have missed the finding in approximately 30% of cases.
Mental health: The AAP recommends depression screening beginning at age 12 using the PHQ-A (Patient Health Questionnaire, Adolescent version), but also recommends addressing mental health and psychosocial concerns at every visit from age 4. Anxiety, ADHD, and behavioral concerns should be part of the conversation at every school-age visit.
Vision and hearing: Annual vision screening continues through school age. Hearing screening is recommended at ages 6, 8, and 10 if not already performed.
Adolescent Visits (12–21 Years)
Adolescent well-child visits have a distinct structure. The AAP recommends that adolescents spend time alone with the physician — typically for at least part of the visit — to discuss topics they may not raise with parents present: sexual activity, substance use, mental health, safety concerns, and relationships.
This is not optional or unusual. It is standard of care, and it is why pediatricians routinely ask parents to step out. Research shows that adolescents are significantly more likely to disclose health-risk behaviors when interviewed privately.
The PHQ-A depression screen should be administered at every adolescent visit from age 12. Screening for eating disorders, substance use (CRAFFT tool), and sexually transmitted infections (based on sexual activity history) is also part of the adolescent visit.
Cholesterol rescreening is recommended between ages 17 and 21 for the universal screen.
| Age Range | Key Screenings | Common Vaccines |
|---|---|---|
| 12–30 months | M-CHAT (autism), ASQ (developmental milestones), lead, iron | MMR, varicella, hepatitis A |
| 3–5 years | Vision, hearing, blood pressure, developmental | DTaP, IPV, MMR, varicella boosters |
| 6–11 years | Cholesterol (9–11), vision, hearing, mental health discussion | Flu (annual), Tdap |
| 12–14 years | PHQ-A (depression), CRAFFT (substance use), private time with teen | HPV, meningococcal, flu |
| 15–21 years | STI screening (if indicated), blood pressure, cholesterol rescreen (17–21) | Meningococcal booster, flu |
What Parents Can Prepare to Discuss
Most pediatricians have 15–20 minutes for a well-child visit. That’s not much time. Coming prepared with specific questions and concerns makes the visit more productive.
Bring a list of: any behavior changes you’ve noticed, academic performance concerns, sleep patterns, how much physical activity the child gets, screen time estimates, and any concerns about mood or anxiety.
Ask specifically about: growth chart trajectory (not just absolute height, but whether the child is tracking their own curve), any screenings that are due for the child’s age, and whether mental health has been addressed.
What to ask if you feel something was skipped: “I read that cholesterol screening is recommended around age 10 — has that been done?” Most pediatricians will appreciate the prompt.
When to Advocate for a Referral
Pediatricians are generalists. They catch problems, but they don’t always manage them. Parents should push for a referral if:
- A developmental screening comes back positive — this warrants evaluation by a developmental pediatrician, not a repeat screen.
- Vision screening fails — this warrants same-appointment referral to pediatric ophthalmology, not watchful waiting.
- PHQ-A score suggests moderate or severe depression — same-day safety assessment and referral, not a follow-up appointment in six weeks.
- Growth is consistently below expectations or dropping channels — this warrants evaluation by a pediatric endocrinologist.
What to Watch For Over the Next 3 Months
Before the next visit: Make a running list of observations. Changes in energy, sleep, mood, social engagement, academic performance, appetite. These clinical details are exactly what makes the 15-minute visit more productive.
After the visit: Review any results you were given. Was a cholesterol level reported? What were the values and what do they mean? Was a developmental screen administered and what was the result? Many parents leave well-child visits without a clear picture of what was found.
If you have concerns that weren’t addressed: Call the office. Pediatric practices typically have nurse triage lines. “My child’s well-child was last week and I had a question I forgot to ask about the PHQ-A score” is a completely appropriate call.
Frequently Asked Questions
Do I need to be present for the entire adolescent checkup?
The AAP recommends that parents of adolescents (approximately 12 and older) be asked to leave for at least part of the visit. This is standard of care designed to improve adolescent disclosure of health-risk behaviors. You’re not being excluded — you’re helping your child get better care. A good practice will explain this policy.
What is the M-CHAT and what happens if it’s positive?
The M-CHAT-R is a 20-item parent-completed questionnaire used to screen for autism spectrum disorder in toddlers 16–30 months old. A positive screen requires a follow-up interview. If the follow-up also suggests concern, the pediatrician should refer for a formal diagnostic evaluation — this should happen, not wait for the next well-child visit.
My child is 9 — should they have had a cholesterol check?
Yes. AAP and NHLBI guidelines recommend universal cholesterol screening between ages 9 and 11 — not just for children with family history of heart disease. If this hasn’t been done, ask at the next well-child visit. A fasting lipid panel is the standard test.
What happens at the 9-month visit? I thought developmental screenings started at 12 months.
The 9-month visit does include a developmental screening using an ASQ or similar instrument. It assesses communication, motor, and social milestones. The autism-specific M-CHAT begins at 16–18 months. Both are part of the Bright Futures surveillance protocol.
About the author Ricky Flores is the founder of HiWave Makers and an electrical engineer with 15+ years of experience building consumer technology at Apple, Samsung, and Texas Instruments. He writes about how kids learn to build, think, and create in a tech-saturated world. Read more at hiwavemakers.com.
Sources
- American Academy of Pediatrics. (2023). “Bright Futures: Guidelines for Health Supervision of Infants, Children, and Adolescents.” 4th ed. https://brightfutures.aap.org
- Earls, M. F., et al. (2010). “Incorporating Recognition and Management of Perinatal and Postpartum Depression Into Pediatric Practice.” Pediatrics, 126(5), 1032–1039. https://doi.org/10.1542/peds.2010-2348
- Expert Panel on Integrated Guidelines for Cardiovascular Health and Risk Reduction in Children and Adolescents. (2011). NIH Publication No. 12-7486A. https://www.nhlbi.nih.gov/health-topics/cardiovascular-health-in-childhood
- Robins, D. L., et al. (2009). “The Modified Checklist for Autism in Toddlers: An Initial Study Investigating the Early Detection of Autism and Pervasive Developmental Disorders.” Journal of Autism and Developmental Disorders, 31(2), 131–144. https://doi.org/10.1023/A:1010738829569
- Grossman, D. C., et al. (2018). “Vision Screening in Children Aged 6 Months to 5 Years: US Preventive Services Task Force Recommendation Statement.” JAMA, 320(8), 799–807. https://doi.org/10.1001/jama.2017.19226
- Centers for Disease Control and Prevention. (2023). “Child and Adolescent Immunization Schedule.” https://www.cdc.gov/vaccines/schedules/hcp/imz/child-adolescent.html
