AndrewChonMD

Obstetrics & Gynecology • Los Angeles, CA

Maternal & Fetal Medicine/High Risk

Physician

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Office
1400 S Grand Ave Ste 805
Los Angeles, CA 90015
Phone+1 213-763-1500
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Summary

Dr. Andrew Chon, MD is an obstetrician/gynecologist in Los Angeles, California. He is currently licensed to practice medicine in California, Washington, and Oregon. He is affiliated with Keck Hospital of USC and Children's Hospital Los Angeles.

Education & Training

Chicago Medical School at Rosalind Franklin University of Medicine and ScienceClass of 2011

Certifications & Licensure

WA State Medical License 2021 - 2025
OR State Medical License 2021 - 2025
CA State Medical License 2013 - 2022
American Board of Obstetrics and Gynecology Obstetrics & Gynecology
American Board of Obstetrics and Gynecology Maternal-Fetal Medicine

Publications & Presentations

PubMed

Temporal ultrasound findings in the first trimester of a dual fetal demise occurring in a monochorionic diamniotic twin gestation.
Sarena Hayer, Roya Sohaey, Andrew H Chon> ;Journal of Clinical Ultrasound. 2024 Mar 6
Diagnosis and Management of 2 Cases of Spontaneous Septostomy: Monochorionic/Dichorionic Hybrid Twin Gestation and Dichorionic Triamniotic Triplet Gestation.
Layoun, V., Sohaey, R., Edwards, E., Sun, R., Chon, A.> ;Fetal Diagnosis and Therapy. 2024 Jan 1
Third-trimester fetoscopic ablation therapy for types II and III vasa previa.
Ramen H Chmait, Martha A Monson, Andrew H Chon, Jinnen Masri, Lisa M Korst, Marc H Incerpi> ;American Journal of Obstetrics and Gynecology. 2024 Jan 1
Subclassification of fetal growth restriction type IIa vs type IIb applied to twin-twin transfusion syndrome.
Michelle T Nguyen, Jinnen Masri, Martha A Monson, Andrew H Chon, Lisa M Korst, Ramen H Chmait> ;American Journal of Obstetrics & Gynecology MFM. 2023 Sep 1
1 citations
Multimodal Management of Cervical Insufficiency Complicated by Intra-amniotic Candida albicans Infection.
Andrew H Chon, Martha A Monson, Nicole G Gomez, Susan M Butler-Wu, Ramen H Chmait> ;American Journal of Perinatology. 2023 May 16
3 citations
Percutaneous/mini-laparotomy fetoscopic repair of open spina bifida: a novel surgical technique.
Ramen H Chmait, Martha A Monson, Huyen Q Pham, Jason K Chu, Alexander Van Speybroeck, Andrew H Chon, Eftichia V Kontopoulos, Ruben A Quintero> ;American Journal of Obstetrics and Gynecology. 2022 Sep 1
4 citations
Outcomes of laser surgery for stage I twin-twin transfusion syndrome.
Nicole G Gomez, Martha A Monson, Andrew H Chon, Lisa M Korst, Arlyn Llanes, Ramen H Chmait> ;Prenatal Diagnosis. 2022 Feb 1
6 citations
Antenatal course of referred monochorionic diamniotic twins complicated by selective intrauterine growth restriction (SIUGR) type III.
Andrew H. Chon, Stephen Ma, Lisa M. Korst, Hikmat R. Chmait, Margaret E. Purnell, Ramen H. Chmait> ;The Journal of Maternal-Fetal & Neonatal Medicine. 2021 Dec 1
1 citations
Dual demise following laser surgery for twin-twin transfusion syndrome: Analysis of 52 cases at a single fetal surgery center.
Ariane C. Youssefzadeh, Gabrielle L. Glassen, Andrew H. Chon, Lisa M. Korst, Tania F. Esakoff, Yalda Afshar, Ciprian P. Gheorghe, Arlyn Llanes, Ramen H. Chmait> ;Prenatal Diagnosis. 2021 Oct 23
Selective Fetal Growth Restriction Type III: Application of a Recent Expert Consensus Definition.
Sami R. Chmait, Martha A. Monson, Lisa M. Korst, Arlyn Llanes, Andrew H. Chon> ;Journal of Ultrasound in Medicine. 2021 Oct 20
2 citations
Fetal blood gases after in utero carbon dioxide insufflation for percutaneous fetoscopic spina bifida repair.
Rauvynne N. Sangara, Andrew H. Chon, Alexander Van Speybroeck, Jason K. Chu, Arlyn Llanes, Eftichia V. Kontopoulos, Rubén A. Quintero, Ramen H. Chmait> ;American Journal of Obstetrics & Gynecology MFM. 2021 Sep 1
1 citations
Twin-twin transfusion syndrome and the definition of recipient polyhydramnios.
Claribel Solorio, Jana S. Guenther, Andrew H. Chon, Lisa M. Korst, Gabrielle L. Glassen, Ramen H. Chmait> ;American Journal of Obstetrics and Gynecology. 2021 Jun 27
2 citations
Fetal neurodevelopmental recovery in donors after laser surgery for twin-twin transfusion syndrome.
Vidya Rajagopalan, Karam Ashouri, Arlyn Llanes, Douglas L. Vanderbilt, Natasha Lepore, Stefan Bluml, Hollie Lai, Jessica L. Wisnowski, Andrew H. Chon, Ramen H. Chmait> ;Prenatal Diagnosis. 2021 Jan 1
Child Temperament Outcomes After Laser Surgery for Twin-Twin Transfusion Syndrome.
Hikmat R. Chmait, Andrew H. Chon, Lisa M. Korst, Samuel P. Putnam, Arlyn Llanes, Douglas L. Vanderbilt> ;Journal of Developmental and Behavioral Pediatrics. 2021 Jan 1
6 citations
Risk Factors for Co-Twin Fetal Demise following Radiofrequency Ablation in Multifetal Monochorionic Gestations.
Lauryn Gabby, Andrew H. Chon, Lisa M. Korst, Arlyn Llanes, Ramen H. Chmait> ;Fetal Diagnosis and Therapy. 2020 Aug 7
3 citations
Twin-Twin Transfusion Syndrome Complicated by Proximate Placental Cord Insertion Sites: Endoscopic Clip-Assisted Laser Occlusion.
Andrew H. Chon, Huyen Q. Pham, Ramen H. Chmait> ;Fetal Diagnosis and Therapy. 2020 Aug 6
Survival Outcomes by Fetal Weight Discordance after Laser Surgery for Twin-Twin Transfusion Syndrome Complicated by Donor Fetal Growth Restriction.
Lauryn Gabby, Andrew H. Chon, Lisa M. Korst, Arlyn Llanes, David A. Miller, Ramen H. Chmait> ;Fetal Diagnosis and Therapy. 2020 Jul 31
9 citations
Fetoscopic Laser Ablation Therapy for Type II Vasa Previa.
Ramen H. Chmait, Valerian Catanzarite, Andrew H. Chon, Lisa M. Korst, Arlyn Llanes, Joseph G. Ouzounian> ;Fetal Diagnosis and Therapy. 2020 Jul 6
10 citations
Selective intrauterine growth restriction (SIUGR) type II: proposed subclassification to guide surgical management.
Ramen H. Chmait, Andrew H. Chon, Lisa M. Korst, Y Stephen, Arlyn Llanes, Joseph G. Ouzounian> ;The Journal of Maternal-Fetal & Neonatal Medicine. 2020 Mar 31
3 citations
Multidrug Therapy for Refractory Immune Thrombocytopenia in Pregnancy
Andrew H. Chon, Randall Y. Chan, Richard H. Lee, Kenny Kwong, Fiona Wertheimer, Ilene C. Weitz> ;Obstetrics and Gynecology. 2020 Mar 1
1 citations
Percent Absent End-Diastolic Velocity in the Umbilical Artery and Donor Twin Demise after Laser Surgery for Twin-Twin Transfusion Syndrome.
Margaret E. Purnell, Andrew H. Chon, Lisa M. Korst, Arlyn Llanes, Brendan H. Grubbs, Ramen H. Chmait> ;Fetal Diagnosis and Therapy. 2020 Feb 5
1 citations
Delivery timing after laser surgery for twin-twin transfusion syndrome.
Andrew H. Chon, Millie R. Chang, Hikmat R. Chmait, Lisa M. Korst, Philippe Friedlich, Ramen H. Chmait> ;Journal of Perinatology. 2020 Feb 1
9 citations
Membrane Separation and Perinatal Outcomes after Laser Treatment for Twin-Twin Transfusion Syndrome.
Madushka Y. De Zoysa, Andrew H. Chon, Lisa M. Korst, Arlyn Llanes, Ramen H. Chmait> ;Fetal Diagnosis and Therapy. 2020 Jan 1
Case 1: Cardiac Arrest in a 2-month-old Boy with a Prenatal Course Complicated by Alloimmunization.
Millie R. Chang, Andrew H. Chon, Jacquelyn L. Baskin, Ali Nael, Ramen H. Chmait> ;Pediatrics in Review. 2019 May 1
2 citations
Quantitative fetal fibronectin to predict spontaneous preterm delivery after laser surgery for twin-twin transfusion syndrome
Andrew H. Chon, Yen Chan, Lisa M. Korst, Arlyn Llanes, Mira Abdel-Sattar, Ramen H. Chmait> ;Scientific Reports. 2019 Mar 14
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Hospital Affiliations

Keck Hospital of USCLos Angeles, California
Children's Hospital Los AngelesLos Angeles, California
OHSU HospitalPortland, Oregon