Apartment Reviews at The Commons at Penn Avenue. By clicking submit, I agree to the Apartments.com Terms of Service and the Ratings & Reviews Terms of Use. There are no reviews for this property. Be the first to add a review on this property.
The early child period is considered to be the most important developmental phase throughout the lifespan.
Growth and Development Milestones: 4-7 Months. The American Academy of Pediatrics has identified important milestones for babies age 4 months through 7 months. We've included fun and easy ways to help your baby reach these key developmental markers, plus helpful information new parents should know.