Herman Hedriana, M.D.

Herman Locsin Hedriana, M.D.


Maternal-Fetal Medicine

Fetal Well-being Assessment and Treatment

Safety and Quality Initiatives

Non-invasive Prenatal Screening


  • 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).

Lawrence J. Ellison Ambulatory Care Center

4860 Y St., Suite 2500
Sacramento, CA 95817
Driving Directions

Primary Phone:

Additional Phone Numbers

Phone: 916-734-8068
Clinic Referral Phone: 916-734-8989
Department Fax: 916-734-6666
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

Center/Program Affiliation

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


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

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

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

Board Certifications

American Board of Obstetrics and Gynecology, 1996

American Board of Obstetrics and Gynecology, Maternal-Fetal Medicine, 1999

CA Medical Board, License, 1990

Professional Memberships

American College of Obstetricians and Gynecologists

International Society of Perinatal Obstetricians

Northern California Obstetrical and Gynecological Society

Pacific Coast Obstetrical and Gynecological Society

Society for Maternal-Fetal Medicine

Honors and Awards

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

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

Excellence in Leadership Dignity Health Perinatal Safety, 2014

California March of Dimes Prematurity Champion, 2014

Select Recent Publications

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.

Sienas LE, Hedriana HL, Wiesner S, Pelletreau B, Wilson MD, Shields LE. Decreased rates of shoulder dystocia and brachial plexus injury via an evidence-based practice bundle. Int J Gynaecol Obstet. 2017 Feb;136(2):162-167. Epub 2016 Nov 21.

Shields LE, Wiesner S, Klein C, Pelletreau B, Hedriana HL. Use of Maternal Early Warning Trigger tool reduces maternal morbidity.  Am J Obstet Gynecol. 2016 Apr;214(4):527.e1-527.e6. Epub 2016 Feb 28.

Hedriana HL, Wiesner S, Downs BG, Pelletreau B, Shields LE. Baseline assessment of a hospital-specific early warning trigger system for reducing maternal morbidity. Int J Gynaecol Obstet. 2016 Mar;132(3):337-41. E pub 2015 Dec 2.

Hedriana HL, Eby-Wilkens EM, Gilbert WM.Perinatal mortality and morbidity rates among singleton, twin, and triplet gestations.  Prim Care Update Ob Gyns. 1998 Jul 1;5(4):184.

Hedriana HL, Lanouette JM, Haesslein HC, McLean LK. Is there value for serial ultrasonographic assessment of cervical lengths after a cerclage? Am J Obstet Gynecol. 2008 Jun;198(6):705.e1-6; discussion 705.e6. Epub 2008 Apr 29.

McLean LK, Hedriana HL, Lanouette JM, Haesslein HC. A retrospective review of isoimmunized pregnancies managed by middle cerebral artery peak systolic velocity. Am J Obstet Gynecol. 2004 Jun;190(6):1732-6.

Hedriana HL, Munro CJ, Eby-Wilkens EM, Lasley BL. Changes in rates of salivary estriol increases before parturition at term. Am J Obstet Gynecol. 2001 Jan;184(2):123-30.