In this episode Lewis First, MD, MS, FAAP, editor-in-chief of Pediatrics, is back for another edition of “First Up.” He offers a bird’s-eye view of what’s in the March issue of the journal. Hosts David Hill, MD, FAAP, and Joanna Parga-Belinkie, MD, FAAP, also talk to Jennifer Zubler, MD, FAAP, a consultant/contractor for the CDC’s “Learn the Signs. Act Early” program, about updated developmental milestones. For resources go to aap.org/podcast.