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

Herman Locsin Hedriana, M.D.

Professor of Clinical Obstetrics and Gynecology

Director, Maternal-Fetal Medicine

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

Obstetrics and Gynecology Clinic

4860 Y St.
Sacramento, CA 95817

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Additional Numbers



Clinic Referral Phone


Department Fax


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 20 years of private and academic practice as well as biotechnological experience, Dr. Hedriana has various clinical interests and expertise. His areas of interest include prenatal screening, perinatal safety initiatives, prenatal diagnosis (including amniocentesis), fetal ultrasound, multiple gestation, and management of labor.

Research/Academic Interests

Dr. Hedriana's research focus is on 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
Center for Health and Technology

Undergraduate School

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

Medical School

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


Rotating Internship, Philippine General Hospital, Manila MM Philippines 1983-1984


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


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

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

Data Science Center, IMPACT(lnter & Multidisciplinary Program to Accelerate Convergence & Translation), UC Davis Office of Research. Dates: 2019-2022., 2019

National Science Foundation Award for "Transabdominal Fetal Oximetry for Improved Intrapartum Fetal Monitoring" is under the direction of Soheil Ghiasi, Diana Fanner, Wujian Wang, Herman L Hedriana. Dates: January 1, 2019 and ends December 31, 2022, 2019

American Journal of Obstetrics and Gynecology (AJOG), Society for Maternal-Fetal Medicine (SMFM) Research Excellence Award for a highly cited paper, Use of maternal early warning trigger (MEWT) tool reduces maternal morbidity, 2018

40th Dean's Lecture Award, Far Eastern University - NRMF Institute of Medicine, 2018

Excellence in Leadership Dignity Health Perinatal Safety, 2014

American College of Obstetricians and Gynecologists (ACOG) Council of District Chairs Service Recognition Award, 2015

California March of Dimes Prematurity Champion, 2014

Fong DD, Yamashiro K, Johnson MA, Vali K, Galganski L, Pivetti C, FarmerDL, Hedriana HL, Ghiasi S. Validation of a novel transcutaneous fetal oximeter in a hypoxic fetal sheep model. Reprod Sci. 2020 (in press).

Blumberg DA, Undewood MA, Hedriana HL, Lakshminrusimha S. Vertical transmission of SARS­-CoV-2: what is the optimal definition? Am J Perinatol. 2020 (in press).

Hedriana H, Martin K, Saltzman D, Billings P, Demko Z, Benn P. Cell free DNA fetal fraction in twin gestation; in single nucleotide polymorphism-based non-invasive prenatal screening. Prenat Diagn. 2020 Jan;40(2):179-184. doi: 1 0.1002/pd.5609. Epub 2019 Nov 21. PMID: 31711265.

Hedriana H. Precision Medicine and Noninvasive Prenatal Screening. Audio Digest Obstetrics & Gynecology. 2019 September;66:17.

Norwitz ER, McNeill GM, Kalyan A, Rivers E, Ahmed E, Meng L, Vu P, Egbert M, Shapira M, Kobara K, Parmar S, Goel S, Prins S, Aruh I, Persico N, Robins JC, Kirshon B, Demko ZP, Ryan A, Billings PR, Rabinowitz M, Benn P, Martin KA, Hedriana HL. Validation of a single-nucleotide polymorphism-based non-invasive prenatal test in twin gestation: determination of zygosity, individual fetal sex, and fetal aneuploidy. J Clin Med. 2019 June 28;8(7). Pii: E937. doi: 10.3390/jcm8070937. PMID: 31261782.

Sienas L, Miller T, Melo J, Hedriana H. Hyperreactio luteinalis in a monochorionic pregnancy complicated by preeclampsia: a case report. Case Rep Womens Health. 2018 August 9. doi.org/10.1016/j.crwh.2018.e00073 eCollection 2018 Jul. PMID: 30167380.

Shields LE, Wiesner S, Klein C, Pelletreau B, Hedriana HL. A standardized approach for category Il fetal heart rate with significant decelerations: maternal and neonatal outcomes. Am J Perinatol. 2018 Jun 12. doi: 10.1055/s-003S-1660459. EPub 2018 Jun 12. PMID 29895077.

Dhamankar R, Valenti E, Hedriana HL. Non-invasive prenatal testing: a unique approach with single nucleotide polymorphism. J Fetal Med. Epub 2018 April 10.

Shields LE, Walker S, Hedriana HL, Wiesner S, Pelletreau B, Hitti J, Benedetti TJ. A Comparison of the Nulliparous-Term-Singleton-Vertex and Society of Maternal-Fetal Medicine Cesarean Birth Metrics Based on Hospital Size. Am J Perinatol. 2018 Mar;35(4):390-396. Epub 2017 Nov 3.

Shields LE, Wiesner S, Klein C, Pelletreau B, Hedriana HL. Early standardized treatment of critical blood pressure elevations is associated with a reduction in eclampsia and severe maternal morbidity.  Am J Obstet Gynecol. 2017 Apr;216(4):415.e1-415.e5. Epub 2017 Jan 30.