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Maternal-Fetal Medicine

Stephanie Valderramos, MD, PhD
Stephanie Gaw, MD, PhD

Clinical Instructor
Obstetrics, Gynecology & Reproductive Sciences
[email protected]

Contact Information

Mailing Address: 550 16th St, Box 0132 San Francisco, CA 94143
Practice Phone: 415-353-2566

Research/Clinical Interests

Placental malaria; Genetic evolution of Zika Virus; Vaginal birth after cesarean delivery; Twin pregnancies and preterm birth rate



University of California, Berkeley

B.A. BA in Molecular and Cellular Biology- Immunology (With Honors)

Albert Einstein College of Medicine, Bronx, NY

Microbiology and Immunology

University of California at San Francisco

Residency Obstetrics and Gynecology

University of California at Los Angeles,

Fellowship Maternal-Fetal Medicine

Achievements & Recognition

2009 Dean’s Recognition Award, Albert Einstein College of Medicine
2012 Research Excellence Award for Best Poster, Society for Maternal Fetal Medicine
2013 Consultant of the Year, Awarded by Nurse-Midwives of San Francisco General Hospital
2015 Best Poster, OB/GYN Assembly of Southern California Annual Meeting

Selected Publications

Wang L*, Valderramos SG*, Wu A, Ouyang S, Li C, Brasil P, Bonaldo M, Coates T, Nielsen-Saines K, Jiang T, Aliyari R, and G Cheng. (2016) From Mosquitos to Humans: Genetic Evolution of Zika Virus. Cell Host Microbe, Epub before print, April 15, 2016. PMID: 27091703. (*Co-first author)

Brasil P, Pereira JP Jr, Raja Gabaglia C, Damasceno L, Wakimoto M, Ribeiro Nogueira RM, Carvalho de Sequeira P, Machado Siqueira A, Abreu de Carvalho LM, Cotrim da Cunha D, Calvet GA, Neves ES, Moreira ME, Rodrigues Baião AE, Nassar de Carvalho PR, Janzen C, Valderramos SG, Cherry JD, Bispo de Filippis AM, and K Nielsen-Saines. (2016) Zika Virus Infection in Pregnant Women in Rio de Janeiro - Preliminary Report. N Eng J Med. Epub before print. PMID: 26943629.

Yee LM., Valderramos SG, Pena S, Cheng YW., and K Bianco. (2013) Perinatal Outcomes in euploid pregnancies with “double-positive” first trimester prenatal screening for trisomy 18 and 21. J Perinatol. 33(11):836-40. PMID: 23887195.

Lehane AM, van Schalkwyk DA, Valderramos SG, Fidock DA, and K Kirk. (2011) Differential drug efflux or accumulation does not explain variation in the chloroquine response of Plasmodium falciparum strains expressing the same isoform of mutant PfCRT. Antimicrob. Agents Chemother. 55(5):2310-8. PMID: 21343459.

Valderramos SG, Scanfeld D, Uhlemann, AC, Fidock DA, and S Krishna. (2010) Investigations into the role of the Plasmodium falciparum SERCA (PfATP6) L263E in artemisinin action and resistance. Antimicrob. Agents Chemother. 54(9):3842-52. PMID: 20566762.