Tel/ 626-356-3360   :   Fax/ 626-356-3379

Ramen H. Chmait, M.D.

Director, Los Angeles Fetal Surgery
CHLA-USC Institute for Maternal-Fetal Health
Hollywood Presbyterian Medical Center

Recognized as an international leader in minimally invasive fetal surgery, Dr. Ramen Chmait was recruited to the University of Southern California (USC) in 2006 to serve as the Director of Los Angeles Fetal Surgery, a program within the CHLA-USC Institute for Maternal-Fetal Health at Hollywood Presbyterian Medical Center. Dr. Chmait publishes extensively in the area of fetal surgery. Dr. Chmait may be contacted at

Arlyn Lanes, RN

Arlyn Llanes, RN

Arlyn Llanes is the Clinical, Research, and Program Coordinator for Los Angeles Fetal Surgery. After graduating from the University of California, Los Angeles, she received her Bachelor of Science in Nursing from Mount St. Mary's College. Prior to joining Los Angeles Fetal Surgery, Arlyn worked in the critical care units at Children's Hospital Los Angeles and in the Pediatric Intensive Care Unit at UCLA in the administrative, clinical, and research arenas.

As Clinical Coordinator, Arlyn oversees all clinical aspects of the Los Angeles Fetal Surgery Program. As Research Coordinator, she is involved in all facets of research from protocol initiation and implementation, data collection and management, and eventual manuscript publication. She is currently obtaining her Master in Public Health from the University of Southern California.

Kristine Rallo, RN

Kristine Rallo, RN

Kristine Rallo is the Clinical Nurse Coordinator for the Los Angeles Fetal Surgery Program. Kris graduated from the nursing program at CCBC-Baltimore County in Maryland. She worked as a Labor and Delivery nurse at Johns Hopkins Hospital before moving to California in 2008. Kris continued her work as a Labor and Delivery nurse with Kaiser Permanente before joining the LA Fetal Surgery Team in September 2013.

Kris coordinates patient services at the Los Angeles Fetal Surgery Program. She provides care for all patients needing fetal interventions, from the point of initial consultation through follow-up. She works directly with Dr. Ramen Chmait regarding all aspects of patient care and collaborates with him in the operating room.

We are committed to successful outcomes.
Call us today at 626-356-3360 to schedule a consult.

Cole Landry's Story: 2009

The Landry family.

Dr. Ramen Chmait performed the the fourth successful procedure worldwide to shrink a congenital cystic adenomatiod malformation (CCAM), a mass of abnormal lung tissue, and release the pressure on Cole's heart thereby giving him a chance at surviving. Today Cole is a happy, smiling boy.

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Twin-Twin Transfusion Syndrome: 2007

LA Fetal Surgery is pioneering a new treatment for twin-twin transfusion syndrome, also known as TTTS, using laser energy to seal off the blood vessels that shunt blood between two fetuses that share the same placenta.

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Lower Urinary Tract Obstruction: 2008

Fetal lower urinary tract obstruction (LUTO) is a rare condition that is caused by a blockage of fetal urination. Because the baby cannot empty the bladder, the baby’s bladder subsequently becomes very large and distended. Learn more about what LA Fetal Surgery is doing to correct this fetal condition in utero.

learn more about acardiac twins