School of Medicine
Showing 251-274 of 274 Results
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Nguyen K. Tran
LGBTQ+ Health Research Biostatistician/Epidemiologist, Obstetrics & Gynecology - General GYN
BioNguyen K. Tran (he/him), PhD, MPH is a social epidemiologist with The PRIDE Study at Stanford University School of Medicine. In his current role, he applies his training in epidemiology, data science, and causal inference to conduct and support community-engaged research that addresses the health priorities of LGBTQIA+ communities, with the goal of advancing health equity for these populations. Substantively, this work focuses on the social and structural influences on healthcare access, mental health, and infectious diseases. Methodologically, he is interested in epidemiologic and statistical approaches for reducing bias in observational research.
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Nichole Tyson MD
Clinical Professor, Obstetrics & Gynecology
Clinical Professor (By courtesy), PediatricsBioNichole Tyson MD is a Clinical Professor of Obstetrics and Gynecology at Stanford University School of Medicine. She specializes in Pediatric and Adolescent Gynecology (PAG). For over 20 years, Dr. Tyson has partnered with girls and their families as they journey from childhood through adolescence and into adulthood. Dr. Tyson enjoys solving complex problems as well as common concerns that can be overlooked and challenging to girls and young women. She is been recognized locally, nationally and internationally a leader in the field and skilled and experienced surgeon caring for patients with endometriosis, adnexal masses and variations in urogenital anatomy.
As a Pediatric and Adolescent Gynecologist, she specializes in problems such as abnormal periods, hormone management and adolescent contraception in people with underlying medical conditions, pelvic masses, differences of sex development and complex utero-vaginal anatomy.
She has been a leader on a number of national medical committees, including Vice President of the North American Society of Pediatric and Adolescent Gynecology (NASPAG), immediate past-chair of the American Association of Gynecologic Laparoscopy (AAGL) Pediatric and Adolescent Gynecology special interest group and associate member of the Contraception Committee for the International Federation of Gynecology and Obstetrics (FIGO). She is an active contributor to the peer reviewed literature in pediatric and adolescent gynecology, obstetrics and gynecology, contraception and laparoscopic surgery. Dr. Tyson also has extensive experience with the consumer press as an adolescent gynecology expert for numerous online articles in such magazines as Seventeen, Self and NY Times.
She is the Chief of Pediatric and Adolescent Gynecology at Stanford Children's Hospital and the Director of Mentorship and Coaching for the Ob/Gyn Department. She is passionate about teaching, mentorship and coaching, working closely with medical students, residents and fellows. She is an innovator in education, both developing and and implementing numerous curricula in Gynecology, Pediatric Adolescent Gynecology, Simulation education, Surgical Coaching and Leadership and Professionalism. She is currently working as a chief editor for two PAG textbooks-one titled PAG essentials and the other, the first ever PAG surgical textbook, both due for publication in 2024-2025. -
Suji Uhm, MD, MPH
Clinical Associate Professor, Obstetrics & Gynecology
BioDr. Suji Uhm is a board-certified obstetrician-gynecologist at Stanford Health Care. She also serves as a clinical associate professor in the Department of Obstetrics & Gynecology, Division of Gynecology & Gynecologic Specialties at Stanford University School of Medicine.
Dr. Uhm offers a wide range of gynecologic services, including gynecologic care, routine and complex contraceptive and abortion services, and wellness exams. She strives to provide safe, patient-centered care and often cares for patients who have medical conditions that complicate contraceptive use or report prior negative experiences.
Dr. Uhm’s research focuses on assessing the safety and effectiveness of contraceptive methods. She has been an investigator in multiple industry-sponsored and National Institutes of Health (NIH)-funded studies, including the evaluation of extending the use of a subdermal implant, nonhormonal IUD, vaginal ring, and contraceptive patch.
Dr. Uhm has been published in several peer-reviewed journals, including Contraception, Nature, and The American Journal of Surgery. She has also presented to colleagues at regional, national, and international meetings, including the Society of Family Planning (SFP) annual meeting.
Dr. Uhm is a fellow of the American College of Obstetricians and Gynecologists (ACOG) and SFP. She is also a member of the National Abortion Federation and Physicians for Reproductive Health. -
Amy Voedisch MD, MSCP
Clinical Associate Professor, Obstetrics & Gynecology - General
BioDr. Voedisch was born and raised in a small town in Minnesota. She received a BA from Macalester College and attended Mayo Medical School. She completed a residency in Obstetrics and Gynecology at Kaiser Permanent Santa Clara and a Fellowship in Complex Family Planning at Stanford School of Medicine. She also has a Masters in Epidemiology and Clinical Science Research from Stanford University. Dr. Voedisch is a board certified Complex Family Planning physician and a certified menopause practitioner through The Menopause Society. Dr. Voedisch is passionate about providing comprehensive reproductive healthcare to all women at any stage in their lives. She specializes in contraception, abortion, perimenopause and menopause. Dr. Voedisch has a particular interest in international healthcare and serves as a consultant through the Stanford Program for International Reproductive Education and Services (SPIRES), providing medical education and quality assurance in family planning internationally. Dr. Voedisch believes strongly in shared-decision making between patients and their physicians in order to help all patients reach their health goals.
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John Wachtel
Clinical Professor, Obstetrics & Gynecology - General
BioDr. Wachtel has been practicing general obstetrics and gynecology for 38 years and has personally delivered over 6,000 babies. He continues to have an active practice in general ob/gyn, serving as a Clinical Professor. He is a nationally recognized expert in patient safety, peer review and data driven quality improvement and has served numerous roles in the field and lectured nationally and internationally. Dr. Wachtel is the Assistant Secretary for the American College of Obstetricians and Gynecologists (ACOG) and currently serves on the ACOG National Executive Board and Executive Committee. He is the immediate Past Chair for ACOG District IX (the state of California) and also previously served for three years on the ACOG national Executive Board. He also serves on the Executive Committee for the California Maternal Quality Care Collaborative and is an Expert Medical Reviewer for the Medical Board of California.
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Lynn Marie Westphal, M.D.
Professor of Obstetrics and Gynecology (Reproductive Endocrinology and Infertility) at Stanford University Medical Center, Emerita
Current Research and Scholarly InterestsInfertility, fertility preservation, oocyte cryopreservation
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Virginia D. Winn, MD, PhD
Professor of Obstetrics and Gynecology (Reproductive, Perinatal & Stem Cell Biology Research)
Current Research and Scholarly InterestsThe Winn Laboratory seeks to understand the unique biological mechanisms of human placentation. While the placenta itself is one of the key characteristics for defining mammals, the human placenta is different from most available animal models: it is one of the most invasive placentas, and results in the formation of an organ comprised of cells from both the fetus and the mother. In addition to this fascinating chimerism, fetal cells are deeply involved in the remodeling of the maternal vasculature in order to redirect large volumes of maternal blood to the placenta to support the developing fetus. As such, the investigation of this human organ covers a large array of biological processes, and deals not only with understanding its endocrine function, but the physiologic process of immune tolerance, vascular remodeling, and cellular invasion.
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Ruth E.H. Yemane, MD
Clinical Associate Professor, Obstetrics & Gynecology - General
BioDr. Yemane is a board-certified obstetrician and gynecologist with the LGBTQ+ Health Program and a clinical assistant professor in the Department of Obstetrics and Gynecology. She offers full-spectrum gynecologic care and specializes in caring for people who identify as gender and sexual minorities. She prepares personalized, comprehensive care plans, delivered with compassion.
Dr. Yemane’s research interests include expanding access to safe obstetric and gynecologic care for LGBTQ+ populations. One of her noteworthy studies examined perceptions and patterns of cervical cancer among women in the patient population.
Dr. Yemane has shared her research at local and national conferences. She has appeared on podcasts to discuss transgender health care and how to make obstetric and gynecologic care more LGBTQ+-friendly.
Dr. Yemane is a member of the American Association of Gynecologic Laparoscopists, the American Board of Obstetrics and Gynecology, and the American College of Obstetricians and Gynecologists. -
Bo Yu, MD
Associate Professor of Obstetrics and Gynecology (Reproductive Endocrinology and Infertility)
Current Research and Scholarly InterestsDr. Yu’s lab is interested in ovarian physiology and pathology, as well as assisted reproductive technologies (ART).
