Scientific Article 🇬🇧 Directly KS related

The Infant and Toddler Developmental Profile of Kleefstra Syndrome

person Shanna L. Yue, Rajapillai L. I. Pillai, Zoë Frazier, Hailey Osika, Meg Quinn, Jillian O'Toole, Brynn Heslin, Bo Zhang, Kira A. Dies, Lynn Pais, Anne O'Donnell-Luria, Max A. Horlbeck

calendar_today Feb 6, 2026

This study of 100 people with Kleefstra syndrome defines early developmental delays, with sitting around 10 months, walking around 2 years, and first words around 24 months. Capute Scales showed delays in language and visual motor skills, supporting early physical, occupational, and speech therapy plus ongoing developmental monitoring.