Commentary by David Sullivan, MD, FAAP
Published December 2023

This module outlines the important features of the 18-month old well visit and this developmental stage.

Congratulations to you, your patient, and their family for reaching the mid-point of the first 1,000 days! It is a time of growing motor skills and communication, of an emerging sense of self, and a burgeoning curiosity/mobility which can sometimes surprise patients’ families.

Keywords: 18 month old; separation anxiety; toilet training; language development; early literacy; walking; autism screening; new sibling; television; feeding difficulty; nutrition