Herman Locsin Hedriana, M.D. for UC Davis Health

Herman Locsin Hedriana, M.D.

Director, Division of Maternal Fetal Medicine

Professor of Clinical Obstetrics and Gynecology

To see if Herman Locsin Hedriana is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Maternal-Fetal Medicine

Fetal Well-being Assessment and Treatment

Safety and Quality Initiatives

Non-invasive Prenatal Screening

Locations and Contact

Additional Numbers

Clinic Phone


Physician Referrals

800-4-UCDAVIS (800-482-3284)

Philosophy of Care

Dr. Hedriana believes in patient-centric care where the mother and fetus safety, welfare and, right to information and choice come first.

Clinical Interests

Dr. Hedriana is a Maternal-Fetal Medicine specialist offering consultative care for women with various medical and genetic conditions that may affect their planned or current pregnancy.

With over 30 years of private and academic practice as well as biotechnological experience, Dr. Hedriana has various clinical interests and expertise. His areas of interest include non-invasive prenatal screening for genetic and non-genetic conditions, perinatal safety initiatives, prenatal diagnosis (including amniocentesis), fetal ultrasound, multiple gestation, and management of labor.

Research/Academic Interests

Dr. Hedriana's key research interests are on translation of new technology to patient care, quality improvement, improving process while ensuring maternal-fetal safety, prenatal screening using non-invasive technology and labor management improvement. He is also interested in outreach perinatal services using telemedicine.


Maternal Fetal Medicine
Fetal Care and Treatment Center

Center/Program Affiliation

Women's Center for Health
UC Davis Children's Hospital

Undergraduate School

B.S., Zoology, University of the Philippines, Diliman, Quezon City, Philippines 1979

Medical School

M.D., Far Eastern University-NRMF Institute of Medicine, Manila City, Philippines 1983


General Medicine, University of the Philippines-Philippine General Hospital, Manila, Philippines 1983-1984


Obstetrics and Gynecology, Columbia University College of Physicians and Surgeons at HHC, New York NY 1988-1992


General Surgery, Far Eastern University NRMF Medical Center, Manila, Philippines 1985-1986


Maternal-Fetal Medicine, UC San Diego, San Diego CA 1992-1994

Selected to serve as an SMFM Expert Peer Review Consultant to assist the society editors in choosing the best of the 2022 SMFM research submitted to The American Journal of Obstetrics & Gynecology (AJOG) for possible publication, 2022

50 Most Outstanding Alumni of the Far Eastern University - Dr. Nicanor Reyes Medical Foundation at the 50th Anniversary Celebration of the Institiute of Medicine, 2021

The American Journal of Obstetrics and Gynecology Maternal-Fetal Medicine recognition as one of top three reviewers based on the number of reviews completed, average time to submit a review, and the ratings you received after completing the review, 2020

Award for leadership and commitment to promote and advocate for women at UC Davis and in the Sacramento community given by the Status of Women at Davis Administrative Advisory Sub-Committee (SWADAAC) at UC Davis Health at the First SWADAAC International Women's Day celebration, 2020

Top downloaded paper award 2018-2019 - recognized as one of the most read in Prenatal Diagnosis, 2020

Kantor V, Mo L, DiNonno W, Howard K, Palsuledesai CC, Parmar S, Chithiwala Z, Jelsema R, Xu W, Hedriana HL. Positive predictive value of a single nucleotide polymorphism (SNP)-based NIPT for aneuploidy in twins: Experience from clinical practice. Prenat Diagn. 2022 Dec;42(13):1587-1593. doi:10.1002/pd.6262. Epub 2022 Nov 21. PMID:36336878.

Riku S, Hedriana H, Carozza JA, Hoskovec J. Reflex single-gene non-invasive prenatal testing is associated with markedly better detection of fetuses affected with single-gene recessive disorders at lower cost. J Med Econ. 2022 Jan-Dec;25(1):403-411. doi:10.1080/13696998.2022.2053384. PMID:35289246.

Leiserowitz G, Hedriana H. Hidden danger! insidious postpartum bleeding after emergency cesarean delivery. PSNet [internet]. 2021 Nov.

Strobel KM, Romero T, Kramer K, Fernandez E, Rottkamp C, Uy C, Keller R, Moyer L, Poulain F, Kim JH, DeUgarte DA, Calkins KL; University of California Fetal Consortium. Growth Failure Prevalence in Neonates with Gastroschisis : A Statewide Cohort Study. J Pediatr. 2021 Jun;233:112-118.e3. doi:10.1016/j.jpeds.2021.02.013. Epub 2021 Feb 26. PMID:33647253.

Fong DD, Yamashiro KJ, Vali K, Galganski LA, Thies J, Moeinzadeh R, Pivetti C, Knoesen A, Srinivasan VJ, Hedriana HL, Farmer DL, Johnson MA, Ghiasi S. Design and In Vivo Evaluation of a Non-Invasive Transabdominal Fetal Pulse Oximeter. IEEE Trans Biomed Eng. 2021 Jan;68(1):256-266. doi:10.1109/TBME.2020.3000977. Epub 2020 Dec 21. PMID:32746021.

Leiserowitz GS, Hedriana H. Lack of Sepsis Recognition Leads to Delay in Care Following Cesarean Delivery. PSNet [internet]. 2020 Nov.

Fong DD, Yamashiro KJ, Johnson MA, Vali K, Galganski LA, Pivetti CD, Farmer DL, Hedriana HL, Ghiasi S. Validation of a Novel Transabdominal Fetal Oximeter in a Hypoxic Fetal Lamb Model. Reprod Sci. 2020 Oct;27(10):1960-1966. doi:10.1007/s43032-020-00215-5. Epub 2020 Jun 15. PMID:32542541.

Leiserowitz GS, Hedriana H. Misdiagnosis of a Pelvic Mass versus Pregnancy. PSNet [internet]. 2020 Sep.

McGahan JP, James G, Hedriana H, Sunderji S. Key Features on the 3-Vessel View and 3-Vessel Tracheal View of Isolated Right Aortic Arch Anomalies. Ultrasound Q. 2020 Sep;36(3):235-239. doi:10.1097/RUQ.0000000000000498. PMID:32890326.

Blumberg DA, Underwood MA, Hedriana HL, Lakshminrusimha S. Vertical Transmission of SARS-CoV-2: What is the Optimal Definition? Am J Perinatol. 2020 Jun;37(8):769-772. doi:10.1055/s-0040-1712457. Epub 2020 Jun 5. PMID:32503058.