Developmental milestone checklist

One of the most important things you can do as a parent or caregiver is to become aware of what skills are expected at what ages, and what your child or young person is accomplishing.

To help you keep track of this, we have created a developmental milestone checklist. This has been designed to help you identify warning signs for developmental delays in children from birth to 3 years old.

The checklist below has been designed to help you understand:

  • What your child or young person should be able to do according to his or her age
  • The warning signs that could indicate a developmental delay

The information provided here is not a substitute for professional medical advice. Please contact your doctor for more information.

If you suspect that your child or young person has a developmental delay or signs of Duchenne muscular dystrophy, it is important to speak to your family doctor as soon as possible.7 Download the Doctor’s appointment discussion guide to help prepare for your visit with the healthcare professional

1. Noritz GH, et al. Pediatrics. 2013; 131:e2016–e2027.
2. Centers for Disease Control and Prevention. Developmental milestones. Available at [last accessed March 2021].
3. Lurio JG, et al. Am Fam Physician. 2015;91:38–44.
4. van Dommelen P, et al. Dev Med Child Neurol. 2020;62(10):1198–1204.
5. National Task Force for Early Identification of Childhood Neuromuscular Disorders. Guide for primary care providers. Available at [last accessed March 2021].
6. Ciafaloni E, et al. J Pediatr. 2009;155:380–385.
7. Birnkrant DJ, et al. Lancet Neurol. 2018;17:251–267 [Part 1].
8. Parsons EP, et al. Eur J Paediatr Neurol. 2004;8:145–153.
9. Aartsma-Rus A, et al. J Pediatr. 2019;204:305–313.e14.

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