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This page was last modified on : 08/25/2015

Developmental Surveillance & Screening:
Monitoring to Promote Optimal Development

By: Katherine TeKolste, MD, FAAP, Developmental Pediatrician, MHLN Medical Consultant

Additional ContributorsSam Zinner, MD, FAAP, Developmental Pediatrician



Developmental monitoring is an integral part of well-child care.

About 16-18% of all children have disabilities such as mental retardation, motor disorders, and speech and language disorders.  Only half of children with developmental disabilities are identified prior to school entry. Well-child exams in the first years of life are ideal for the detection of problems with a child’s development. 

Parents want and expect support and information on child development, as demonstrated by the Commonwealth Fund, the Healthy Steps Program, the North Carolina Access Project, and CHILD Profile surveys in Washington State.

How to Monitor Development in the Primary Care Practice

(Click on the topic for more information)

1.  Listen to concerns

  • From the parent, child-care providers or others in contact with the child
  • Avoid the "Don't worry, (s)he'll grow out of it" trap

2.  Assess risk factors

3.  Monitor development with surveillance and screening

4.  Give parents activities, monitoring tools and resources

5.  If unsure, REFER!

  • Community partners for further screening and linking to services

    Additionally, for children 3-21 years old - Special Education Department in local school district.

  • Further Evaluation to confirm or refute presence of delays
  • If Delay is confirmed:
    • Connect with interventions
    • Workup for DD/MR - Establish etiology, if possible
    • Assist Parents – Information and Support
    • Coordinate Care
  • Medical specialists



Listen to Concerns- Avoid the "Don't Worry, (S)he'll Grow Out of It" Trap

When a parent expresses concern about a child’s development, there is a good chance there is something that needs attention. 

Parental concerns are particularly likely to be accurate in the areas of speech and language skills, cognitive performance, and fine motor skills.  

When parents gather at ‘Conversations with Families’ [a discussion and networking forum for families participating in early intervention services (Early Support for Infants and Toddlers) in Washington state], a theme repeated throughout the state is the parents’ perception of having been worried about their child’s development but not feeling heard by their health care provider when those concerns were expressed.  Similar concerns have been noted by Head Start providers who indicate having screened a child’s development and suggested parents follow up with a medical provider only to have the concerns minimized or dismissed.

It is also important to recognize that 20-25% of parents do not raise concerns when delays are present.  





For more information: Glascoe FP. Parents concerns about children’s development: prescreening technique or screening test? Pediatrics. 1997. 99(4):522-528.

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Assess Risk Factors

Biologic and environmental factors may place a child at higher risk for poor developmental outcome.  Children and families for whom these risk factors are present should be monitored especially closely.  A child with an established diagnosis associated with a high likelihood of developmental delay (e.g. Down syndrome or autism) should be referred for early intervention services promptly upon diagnosis.  The following are examples of  other common risk factors:





Biologic Factors

Prenatal factors

  • Maternal PKU or HIV
  • Prenatal teratogen exposure (e.g. Dilantin or valproate)
  • Prenatal alcohol or substance abuse
  • Major congenital anomalies
  • Multiple minor physical anomalies
  • Small for gestational age
  • Maternal tobacco use
  • Lack of prenatal care

    (The risk of prematurity and subsequent developmental disabilities is 3-5 times greater in children born to women who do not receive prenatal care.)

  • Family history of deafness or early hearing loss

Perinatal and Postnatal Factors

  • Birth weight 2500 grams or less, especially if less than 1500 grams
  • Respiratory distress requiring mechanical ventilation
  • Asphyxia - Apgar score of four or less at 5 minutes
  • Neonatal seizures
  • Intracranial hemorrhage or periventricular leukomalacia
  • Hyperbilirubinemia - levels requiring exchange transfusion
  • Microcephaly or macrocephaly (more than 2SD above or below mean)
  • Central nervous system infection
  • Congenital infection (TORCHeS)
  • Abnormal neonatal neurologic exam
  • Failure to thrive





Environmental Factors

  • Maternal age less than 16 years
  • Parental mental retardation
  • Parental psychiatric disorder - [Helpful Link: Screening for Maternal Depression]
  • Parental alcohol or substance abuse
  • Lack of permanent housing
  • Inadequate care giving
  • History of abuse or neglect in parent or sibling
  • Extreme poverty

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Monitor Development with Surveillance and Screening






Developmental Surveillance

Developmental surveillance is an informal, yet structured monitoring of developmental status over time.  The primary care provider must interpret information in light of environmental, social and medical factors affecting the child.  Developmental surveillance relies upon information obtained from multiple sources, including assessment of parental concerns and formal developmental screening. Although they should not be the primary method of assessing development, checklists with red flags in development may be useful (see the following examples: Red Flags - a general checklist; Motor Red Flags, Speech and Language Red Flags), especially at interim visits when formal developmental screening is not utilized.  

See also: Identifying Infants and Young Children with Developmental Disorders in the Medical Home: An Algorithm for Developmental Surveillance and Screening.  AAP Council on Children with Disabilities, Section on Developmental Behavioral Pediatrics, Bright Futures Steering Committee, and Medical Home Initiatives for Children with Special Needs Advisory Project.  July 2006





Developmental Screening





Developmental screening is the brief assessment of developmental status utilizing a standardized instrument

Detection of developmental problems will never be perfect, even with the currently available standardized screening instruments listed below. All of these screening tools have good psychometric properties including sensitivity and specificity, validity and reliability. Yet, over-referral (child who is sent for further testing and is found to be developing ‘normally’) and under-referral (delayed child who is not identified as needing further assessment) will occur.   Under-referrals are minimized by the overall surveillance process, i.e. monitoring development over time.

It is important to recognize that children who are ‘borderline’ in their skills (sometimes included in the ‘over-referral’ group) are at high risk for poorer developmental outcomes even if they do not qualify for early intervention/special education or therapy assistance. 

Early involvement in  developmental activities, preschool experiences, and other activities can positively impact the child’s learning and achievement.  There are resources -  from parent websites and handouts, to Head Start programs and more - that can assist parents and their children with borderline range skills. 

Identification of developmental delay is improved when explicit developmental screening procedures are used.

  • Without use of standardized tools only 30% of children with developmental disabilites are identified. This rises to 70-80% of children identified when standardized tools are used. (Refs. Palfrey et al. J Pediatr. 111:651-655, 1987; Squires et al. JDBP. 17:420-427, 1996.)
  • Without use of standardized tools only 20% of children with mental health problems are identified. 80-90% are identified with the use of standardized tools (Refs. Lavigne et al. Pediatr. 91:649-655, 1993.; Eisert & Sturner. JDBP. 12:42-50, 1991).




Screen the overall development of all children with a parent questionnaire (at a subset of ages as part of well-child examinations or at each well-child exam, and whenever concerns are expressed).



Resource for Implementation:  A Practical Guide for Improving Developmental Services (from the Commonwealth Fund) - Module 2: Developmental Screening and Surveillance




Parent-completed developmental screening tools - The American Academy of Neurology (AAN) and American Academy of Pediatrics (AAP) recommend the following :

ASQ-3 - Ages and Stages Questionnaire
  • A developmental screening tool designed for use by early educators and health care professionals to screen children from 1-66 months of age.  It relies on parents as experts and creates a snapshot needed to catch delays and celebrate milestones in communication, gross motor, fine motor, problem solving and personal-social development.  Questionnaires and scoring sheets for ages 2, 4, 6, 8, 9, 10, 12, 14, 16, 18, 20, 22, 24, 27, 30, 33, 36, 42, 48, 54, and 60 months.  Questionnaires are available in English, Spanish and French.
CDI - Child Development Inventories
  • Two brief parent questionnaires - the Infant Development Inventory (First 18 months) and the Child Development Review - Parent Questionnaire (18 months to kindergarten)
  • Child Development Inventory - 18 months to 6 years - 300 item inventory for assessment of children whose development is of concern
PEDS - Parent's Evaluation of Developmental Status
  • With ten short questions to parents, PEDS helps professionals identify children at risk for school problems and those with undetected developmental and behavioral disabilities.
PEDS-DM - Parents Evaluation of Developmental Status - Developmental Milestones
  • Ages birth to 7y 11 months; 6 to 8 items per age/encounter; Each item taps a different developmental domain (fine motor, gross motor, expressive language, receptive language, self-help, social-emotional, and for older children - reading and math).



* Practice Parameter:  Screening and diagnosis of autism. Neurology 2000; 5:468-479. AAN (AAP endorsed)


Screening Schedule Examples:

  • AAP - Every well child visit
  • North Carolina- 4, 6, 12, 24, 36, 48 months
    • Updated N. Car. Screening Schedule including Maternal Depression and other screening options: LINK
  • Nickel & Squires -
    • High Risk - 4, 8, 12, 18, 24, 36, 48 months and whenever concern (Parent or Primary care provider) + language screen between 18-36 months
    • Low Risk - 6, 12, 18, 24, 36, 48 months with same language screen and concern recommendation.


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Accuracy of Parental Report Measures

Glascoe FP. Parents' concerns about children's development: prescreening technique or screening test? Pediatrics. 1997. 99(4):522-528.

    • Parents are often INACCURATE on recall of milestones  (e.g. When did your child first wave bye-bye?)
    • Parents are ACCURATE on reporting of current skills
    • Parental concerns are ACCURATE indicators for:
      • Speech and language delays
      • Fine motor delays
      • General delay
    • Parental concerns are LESS ACCURATE indicators in the areas of:
      • Self-help skills
      • Behavior
  • Several of the parent report measures are available in multiple languages, such as Spanish, Korean, and French. (Further information at individual tool links above.)
  • Parental report measures may be administered by interview format and with an interpreter for families where English language literacy is an issue.





Flow Sheet for Developmental Screening

[Courtesy of Nickel RE and Squires J. In The Physician’s Guide to Caring for Children with Disabilities and Chronic Conditions. Eds. Nickel RE, Desch LW. PH Brookes Publishing Co. (2000): p. 22.]

Diagram of flow sheet for developmental screening

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What To Do After The Screening

(Click on the topic for more information)

1.  Talk with parents about results

  • Normal
  • Minor Concerns – No pathology/ ‘Immaturity’
  • More than Minor Concerns

2.  Parents as Partners – Monitoring and Referral

3.  If unsure, REFER!

  • Further Evaluation to confirm or refute presence of delays
  • If Delay confirmed
    • Connect with interventions
    • Establish Etiology, if possible
    • Assist Parents – Information and Support
    • Coordinate Care







Talk with Parents About Results

  • Emphasize child’s current skills
  • Emphasize family skills & resources
  • Discuss current screening results

No Concerns





- Continue routine monitoring.

Minor Concerns

    – No pathology present but demonstrates immaturity in skill level or quality

      • Children’s developmental pattern may show bursts and plateaus
      • Assess risk factors
        • Development is influenced by health and environmental factors.  For example, since implementing the back-to-sleep recommendations, infants may show immaturity of head control in prone position.
        • Some risk factors put a child at higher risk, e.g. very-low-birth-weight infant or infant with microcephaly.
      • Determine whether immediate referral for assessment is indicated or whether the child should continue to be monitored with another developmental screening in a month or two.
      • Consider need for hearing or vision assessment.
      • Schedule recheck appointment










More than Minor Concerns

      • Indicate the need for further assessment (e.g. hearing or vision, as well as developmental assessment) and make arrangements.
      • Concerns identified on screening are NOT confirmation of a problem but only an indicator of the need to look further.
      • Hints on discussion concerning screening results:

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BACK TO "What To Do After The Screening"


Give Parents Activities, Monitoring Tools and Resources






Parents as Partners – Monitoring and Referrals

Give parents activities to enhance development, tools to continue to monitor developmental progress, and resources for child development information:






Consider referral to programs such as infant-toddler play groups, preschool programs, Early Head Start and Head Start programs, and parenting programs (Family Support Information).





Consider developmental stimulation activities and programs:

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BACK TO "What To Do After The Screening"


If Unsure, REFER


Confirm/rule out the presence of delays or atypical development


  • Refer for further assessment
    • In the state of Washington, either of the following people can link you to resources for further developmental assessment in your community. 
    • GO TO: www.medicalhome.org/resources/local_contacts.cfm

      See sections listing:

      CSHCN Coordinators (serving children 0-18 years of age)

      Family Resource Coordinators (serving children 0-3 years of age). 

      Provider Assessment

  • Families can the Washington State Family Health Hotline at 1-800 322-2588 or 1-800-833-6388 (tty relay) and be linked to resources for further assessment.





If Child is Not Delayed/Not Eligible for Services :

    • Recommend activities and resources to enhance development (see Parents as Partners section immediately above this section)
    • Continue to monitor the child’s development closely.





If Delay is Confirmed:

1.  Connect with interventions 

2.  Establish etiology, if possible





AAP Committee on Genetics. Clinical Report: Comprehensive Evaluation of the Child with Intellectual Disabilit or Global Developmental Delays. Moeschler JB, Shewell M. Pediatrics. 134(3):e903-918, September 2014.  [Link]

Practice Parameter: Evaluation of the Child with Global Developmental Delay.  American Academy of Neurology.  Shevell M et al.  Neurology. 60:367-380, 2003.  www.neurology.org/cgi/reprint/60/3/367.pdf

Mental Retardation: Diagnosis, Management, and Family Support.  Plauche-Johnson C, Walker WO et al.  Curr Probl Pediatr Adolesc Health Care.  36:126-165, April 2006. [Link]

Clinical Genetic Evaluation of the Child with Mental Retardation or Developmental Delays.  Moeschler JB et al. (AAP Committee on Genetics)   Pediatrics. 117:2304-2316, June 2006. [Link]

A Rational Approach to the Medical Evaluation of a Child with Developmental Delay.  Roberts G, Palfrey J, Bridgemohan C.  Contemporary Pediatrics. 21(3):76-99, March 2004. [Article Link]
[Flow Sheet]

Developmental Delay in Children Younger than 6 Years.  Davis BE, Bennett FC.  In Pediatric Decision Making, 4th Edition. Ed. Berman S., Mosby, Philadelphia, 2003.

Developmental Delay: When to suspect and how to investigate for an inborn error of metabolism.  Cleary MA, Green A.  Arch Dis Child.  90:1128-1132, 2005. 

Diagnostic Evaluation of Developmental Delay/Mental Retardation.  Battaglia A, Carey JC.  Am J Med Genet. 117C:3-14, 2003. (See the “algorithm for ‘rational evaluation’ of a patient with MR/DD” in Figure 1).

Developmental Delay and Mental Retardation.  Nickel RE.  In The Physician’s Guide to Caring for Children with Disabilities and Chronic Conditions.  Nickel RE, Desch LW.  Eds.  Paul H. Brookes Publishing Co., 2000. Link

Identification and Evaluation of Mental Retardation.  Daily DK, Ardinger HH, Holmes GE.  American Fam Physician. 61(4):1059f.  2000.

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3.  Assist parents

Provide information and support for family and child with developmental delay.







4.  Coordinate care   


Link children with special health care needs and their families to services and resources in a coordinated effort to maximize the potential of the children and provide them with optimal health care (AAP, Committee on Children With Disabilities, 1999).














Early Intervention WORKS! 


Early Intervention promotes children’s growth and development.  It encourages positive parent-child relationships.  And Early Intervention increases a family’s capacity to care for their child and reduces the need for out-of-home placements.






  • Windows for learning begin at birth
  • There are greater developmental gains with less chance of secondary problems when early intervention begins soon after diagnosis
  • Early intervention reduces the need for special education and other services later in life
    • In Washington State over 8,900 children received birth-to-three early intervention services from October 1, 2007– September 30, 2008.  In the same period, 4,097 children transitioned out of early intervention services.  Of these 4,097 children, 1,094 or 27.0% no longer needed special education services.
  • Early intervention reduces additional stressors on families
  • Early intervention is cost-effective. 

For more information on early intervention programs see:


Early Intervention for Children with Disabilities Works, Report Finds

Findings among many included in annual report to Congress on special education

Press release September 10, 2003

Children with disabilities who receive early intervention services show significant developmental progress a year later, and families report increased confidence in their ability to deal with their child, according to the Department of Education's 24th annual report to Congress on the condition of special education.

The report, "To Assure the Free Appropriate Public Education of All Children with Disabilities," cites several sources, including the department's ongoing National Early Intervention Longitudinal Study (NEILS). NEILS tracks 3,338 infants and toddlers with disabilities who received early intervention services.

A year into the services, "significantly high" percentages of the children had reached milestones in areas of motor skills, self-help, communication and cognition, the report found.

Part C of the Individuals with Disabilities Education Act (IDEA) requires states to provide early intervention services to children with disabilities from birth through age two. Early intervention can include speech and hearing services, family training and counseling, home visits, diagnostic medical services, occupational or physical therapy, social and psychological services and service coordination. More than 268,000 children receive early intervention services.

"This is yet another confirmation that the earlier we identify children with disabilities and provide highly effective evidence-based interventions, the better chance they have of reaching their full potential," said Robert Pasternack, assistant secretary for special education and rehabilitative services.

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Page History:

Originally posted June 2005.

Revised June 28, 2006.


© 2015 Medical Home Partnerships Project, Box 357920, Seattle, WA 98195-7920   Ph: 206.685.1279 Email: info@medicalhome.org