Maternal-Fetal Medicine Fellowship | Obstetrics and Gynecology | UC Davis Health

Associate Professor
Fellowship Program Director

Leanna Sudhof is a maternal-fetal medicine specialist who chose this field because she loves the complexity of pregnancy care and wants to be able to help at what is often a particularly vulnerable time. She has special interests in preterm birth, multiple gestation, substance use disorders in the perinatal period, perinatal mental health, and postpartum hemorrhage. She also has expertise in prenatal diagnosis, including amniocentesis and chorionic villus sampling, and other fetal procedures. 

Professor
Division Chief of Maternal-Fetal Medicine

Herman Hedriana returned to UC Davis’s Maternal-Fetal Medicine division in Obstetrics and Gynecology in March 2018. He was an Assistant Professor in Residence from July 1994 through June 1998 and for over 19 years, he has been Volunteer Clinical Faculty. Hedriana's main focus is premature birth risk assessment including preterm labor evaluation and effective use of antenatal corticosteroids. He feels patient safety, welfare, and their right to information comes first. He has been an active volunteer for March of Dimes for 15 years, involved in prematurity prevention, health care disparities, and healthcare policies involving different communities in California.

Clinical Professor

Nina Boe's clinical interests include prenatal diagnosis, pregestational and gestational diabetes, preeclampsia, and complications with twin gestations. Her research activities focus on improved screening procedures for diabetes in pregnancy.

Associate Physician

Zahabiya Chithiwala received a B.S. in Physiological Sciences from the University of California, Los Angeles and a M.H.S. in Biochemistry and Molecular Biology, Reproductive and Cancer Biology from Johns Hopkins Bloomberg School of Public Health. She received her M.D. from Drexel University College of Medicine in 2017. She completed her residency in Obstetrics and Gynecology at the University of California, Davis in 2021.

Assistant Clinical Professor

Shannon Clark is board certified in Family Medicine and Psychiatry and completed a fellowship in Clinical Obstetrics. Her specialty interests focus on the care of pregnant women with mental illness or substance abuse. Clark also created and runs a weekly medication management and support group for women with mood disorders from pre-conception through one-year postpartum. The group setting aims to promote the development and delivery of health infants by treating and supporting the emotional well-being of the mother as an adjunct to prenatal and postpartum care.

Clinical Professor

Nancy Field's areas of interest include management of diabetic pregnancies, medical complications and fetal growth abnormalities during pregnancy, and fetal sonography. Her research currently focuses on outcomes in diabetic pregnancies.

Associate Clinical Professor
Director, Fetal Care and Treatment Center

Amelia McLennan joined the Maternal-Fetal Medicine division after completing her fellowship at Columbia University in New York, NY. She offers care for women with a range of high-risk medical, surgical, and fetal conditions during pregnancy. She has special clinical interest in ultrasound, prenatal diagnosis, genetic testing, multiple gestations, and fetal therapy.

Assistant Professor

Lihong Mo is a Maternal-Fetal Medicine physician with a dedicated focus on providing comprehensive care for patients carrying high-risk pregnancies. Her clinical interests include hypertensive disorder of pregnancy, multiple gestations, preterm birth prevention, and the integration of technology-driven maternal care. Mo’s research focuses on advancing perinatal research via data science.

Associate Clinical Professor

Carolina Reyes joined the department of Obstetrics and Gynecology in 2019. She has extensive academic experience teaching and providing care in southern California and Washington, DC. Her research focuses on testing strategies to improve the practice of perinatal care during the intrapartum and postpartum period when women are at highest risk for cardiovascular complications of pregnancy. Reyes enjoys working with residents and fellows while helping patients and their families grow.

Director, UC Davis Prenatal Diagnosis Center
Assistant Clinical Professor

Krishna Singh joined the department of Obstetrics and Gynecology at the University of California, Davis, School of Medicine in 2020. She is triple board certified in Obstetrics and Gynecology, Maternal Fetal Medicine, and Medical Genetics and Genomics. She has brought her expertise in Prenatal Genetics to the Division of Maternal-Fetal Medicine and the Fetal Treatment Center. Singh has specialty in diagnostic evaluation and advanced molecular testing of fetuses and adults with rare genetic disorders.

Clinical Professor
Residency Program Director

Véronique Taché specializes in taking care of women with high-risk pregnancies. Her clinical interests include fetal growth abnormalities, multiples and higher order multiples, prevention of preterm birth, maternal coagulation disorders and endocrine disorders.

Assistant Professor

Elisa Zhang started her research laboratory at UC Davis in July 2024 in the Departments of Obstetrics and Gynecology and Physiology and Membrane Biology. She received her Ph.D. in molecular and cellular biology from UC Berkeley and conducted her postdoctoral research at the Stanford University School of Medicine as an A.P. Giannini Fellow. Her lab studies uterine, placental, and pregnancy biology. Her research focuses on how the uterus regenerates itself during the menstrual cycle and following injuries like C-sections, as well as how the placenta develops and functions at the maternal-fetal interface.

Licensed Certified Genetic Counselor

Licensed Certified Genetic Counselor

Noura Osman practices communicating with preconception/prenatal patients about genetic diagnoses in a tailored manner that attempts to foster psychological resilience and facilitate decision-making during challenging times. Being raised in Egypt and Canada, she began to appreciate human diversity and its intersection with genetic disease and communication. She has a special interest in the psychotherapeutic components of genetics and strives to have meaningful conversations with her patients to allow them to feel emotionally enriched and empowered. Noura enjoys collaborating on research projects that aim to improve genetic healthcare for vulnerable populations as well as research that attempts to delineate novel phenotypes for rare genetic conditions.  

Licensed Certified Genetic Counselor

Laila Rhee is a genetic counselor specializing in prenatal counseling primarily to women and families with high risk pregnancies. She has a special interest in fetal congenital heart disorders, neuromuscular disorders and infertility. Respecting autonomy and rights of the patient, she wants to provide genetic information and support so that patients make informed decisions about their medical care and make the best possible adjustment for their family.