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Betsy O‘Donnell, MD, FACOG
Department Ob/Gyn, Reproductive Sciences
Address 550 16th Street
San Francisco CA 94158
  • Gestational and Pre-Gestational Diabetes
  • Weight Gain During Pregnancy
  • Patient Education
  • Provider Communication
  • Issues Surrounding Periviable Deliveries
  • Disparities affecting underserved and disadvantaged populations
  • Pipeline initiatives in medical education

Cornell University




Stanford University




University of California, San Francisco


Obstetrics & Gynecology


University of California, San Francisco


Clinical Research


University of California, San Francisco


Maternal Fetal Medicine

2001 UCLA Minority Scientist Development Research Program Scholar
2001 & 2002 Hispanic Scholarship Fund - Scholarship Award Winner
2002 Cornell University Howard Hughes Research Scholar
2000-2003 Cornell University College of Arts & Sciences Dean's List
2006-2007 Stanford University Medical Scholars Research Grant: "The Effect of Gastric Bypass Surgery on Cognition"
2009 Stanford University Latino Medicine Student Association (LMSA) "Excellence in Service" Award
2014 UCSF "Outstanding Resident Teaching" Award for Exceptional Achievements in Resident Education
2015 Pacific Coast Obstetrical & Gynecological Society Ted Adams Scholarship Award Winner, Poster Presentation at the 82nd Annual Meeting
2015 UCSF "Outstanding Resident Teaching" Award for Exceptional Achievements in Resident Education


Shah AD, Hsiao EC, O'Donnell B, Salmeen K, Nussbaum R, Krebs M, Baumgartner-Parzer S, Kaufmann M, Jones G, Bikle DD, Wang Y, Mathew AS, Shoback D, Block-Kurbisch I. Maternal Hypercalcemia Due to Failure of 1,25-Dihydroxyvitamin-D3 Catabolism in a Patient With CYP24A1 Mutations. J Clin Endocrinol Metab. 2015 Aug;100(8):2832-6. PubMed

Lewkowitz AK, O'Donnell BE, Nakagawa S, Vargas JE, Zlatnik MG. Social media messaging in pregnancy: comparing content of Text4baby to content of free smart phone applications of pregnancy. J Matern Fetal Neonatal Med. 2015 Jul 26:1-7. PubMed

Encarnacion B, Zlatnik MG. Cesarean delivery technique: evidence or tradition? A review of the evidence-based cesarean delivery. Obstet Gynecol Surv. 2012 Aug;67(8):483-94. PubMed

Woodard GA, Encarnacion B, Perzaz J, Hernandez-Boussard T, Morton J. Halo effect for bariatric surgery: collateral weight loss in patients' family members. Arch Surg. 2011 Oct;146(10):1185-90. PubMed

Woodard GA, Encarnacion B, Downey JR, Peraza J, Chong K, Hernandez-Boussard T, Morton JM. Probiotics improve outcomes after Roux-en-Y gastric bypass surgery: a prospective randomized trial. J Gastronintest Surg. 2009 Jul;13(7):1198-204. PubMed

Hagedorn JC, Encarnacion B, Brat GA, Morton JM. Does gastric bypass alter alcohol metabolism? Surg Obes Relat Dis. 2007 Sep-Oct(5):543-8; discussion 548. PubMed

Berghorn KA, Clark PA, Encarnacion B, Deregis CJ, Folger JK, Morasso MI, Soares MJ, Wolfe MW, Roberson MS. Developmental expression of the homeobox protein Distal-less 3 and its relationship to progesterone production in mouse placenta. J Endocrinol. 2005 Aug;186(2):315-23. PubMed