Ramen H. Chmait

Ramen H. Chmait, MD is a Professor of Obstetrics & Gynecology, Pediatrics, and Surgery at the University of Southern California’s Keck School of Medicine, and Director of the Fetal Surgery Program at Children’s Hospital Los Angeles. He leads the Los Angeles Fetal Therapy program within the CHLA-USC Institute for Maternal-Fetal Health, specializing in minimally invasive fetal surgical interventions such as open spina bifida repair, twin-twin transfusion syndrome (TTTS) management, and vasa previa treatment. His research focuses on fetal disease mechanisms and innovative therapies, with over 200 peer-reviewed publications.

Dr. Chmait’s affiliations include Keck Medicine of USC, Hollywood Presbyterian Medical Center, and LA Fetal Therapy. He has been recognized with awards like U.S. News Top Doctors (2011–2014), Fetal Hope: Light of Hope Award (2008), and teaching excellence accolades.

His research interests span fetal surgery outcomes, TTTS treatment protocols, and fetal anomaly management. Recent work emphasizes advancements in fetoscopic techniques, lung development metrics, and neurodevelopmental follow-up of treated patients.

Key achievements include pioneering percutaneous fetoscopic spina bifida repair, advancing laser surgery for TTTS, and leading international consensus guidelines on fetal therapy standards. His program has treated hundreds of complex cases, emphasizing both clinical and research contributions.