Yair Blumenfeld

Obstetrician/Gynecologist

Professional Education

Residency: Mount Sinai Medical Center (2006) NY

Board Certification: Maternal and Fetal Medicine, American Board of Obstetrics and Gynecology (2011)

Board Certification: Obstetrics and Gynecology, American Board of Obstetrics and Gynecology (2008)

Fellowship, Stanford University, Maternal-Fetal Medicine (2009)

Internship: Mount Sinai Medical Center (2003) NY

Medical Education: Sackler School of Medicine (2002) Israel

Honors & Awards

APGO Teaching Award, Department of Obstetrics & Gynecology, Stanford University (2012)

Resident Teaching Award, Department of Obstetrics & Gynecology, Stanford University (2011)

Outstanding Clinical Fellow, Department of Obstetrics & Gynecology, Stanford University (2008)

Administrative Appointments

Medical Director, Labor & Delivery, Lucile Packard Children's Hospital, 2013

Obstetrics QA Committee, Stanford University School of Medicine, 2010

District IX, Section II Vice-Chair, ACOG, 2011

QA Committee, District IX, ACOG, 2011

Informatics Committee, SMFM, 2010

Education Committee, SMFM, 2011

CREOG Committee, ACOG, 2011

Obstetrics Practice Committee, ACOG, 2009

District IX, Junior Fellow Chair, ACOG, 2008

Associate Member Representative, SMFM, 2008

Noninvasive prenatal diagnosis in a fetus at risk for methylmalonic acidemia.
Gu, W., Koh, W., Blumenfeld, Y. J., El-Sayed, Y. Y., Hudgins, L., & Quake, S. R. (2014). Noninvasive prenatal diagnosis in a fetus at risk for methylmalonic acidemia. Genetics in medicine , 16(7), 564-567.

Noninvasive prenatal diagnosis in a fetus at risk for methylmalonic acidemia
Gu, W., Koh, W., Blumenfeld, Y. J., El-Sayed, Y. Y., Hudgins, L., & Quake, S. R. (2014). Noninvasive prenatal diagnosis in a fetus at risk for methylmalonic acidemia. GENETICS IN MEDICINE, 16(7), 564-567.

Caesarean delivery for twin gestation at 32-38 weeks does not lead to improved clinical outcomes for neonates or mothers.
Lee, H. C., & Blumenfeld, Y. J. (2014). Caesarean delivery for twin gestation at 32-38 weeks does not lead to improved clinical outcomes for neonates or mothers. Evidence-based medicine, 19(3), 119-?.

Noninvasive in vivo monitoring of tissue-specific global gene expression in humans
Koh, W., Pan, W., Gawad, C., Fan, H. C., Kerchner, G. A., & Quake, S. R. (2014). Noninvasive in vivo monitoring of tissue-specific global gene expression in humans. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 111(20), 7361-7366.

Urine culture results and adverse outcomes in women with pyelonephritis.
Berger, V. K., Yeaton-Massey, A., Kassis, J., Blumenfeld, Y. J., Lee, H. C., & Druzin, M. (2014). Urine culture results and adverse outcomes in women with pyelonephritis. Obstetrics and gynecology, 123, 138S-?.

On-time scheduled cesarean delivery start time process-improvement initiative.
Blumenfeld, Y. J., Riley, E., Hilton, G., Lee, H. C., El-Sayed, Y. Y., & Druzin, M. L. (2014). On-time scheduled cesarean delivery start time process-improvement initiative. Obstetrics and gynecology, 123, 138S-9S.

Oral misoprostol versus vaginal dinoprostone for labor induction in nulliparous women at term
Faucett, A. M., Daniels, K., Lee, H. C., El-Sayed, Y. Y., & Blumenfeld, Y. J. (2014). Oral misoprostol versus vaginal dinoprostone for labor induction in nulliparous women at term. JOURNAL OF PERINATOLOGY, 34(2), 95-99.

Isolated umbilical vein varix with a poor outcome despite close fetal surveillance.
Brookfield, K. F., Osmundson, S. S., Chetty, S., Chueh, J., Blumenfeld, Y. J., & El-Sayed, Y. Y. (2013). Isolated umbilical vein varix with a poor outcome despite close fetal surveillance. Journal of ultrasound in medicine , 32(9), 1680-1682.

Maternal-fetal medicine fellowship 3- and 4-dimensional ultrasound experience: room for improvement.
Ness, A., Blumenfeld, Y. J., & Platt, L. D. (2013). Maternal-fetal medicine fellowship 3- and 4-dimensional ultrasound experience: room for improvement. Journal of ultrasound in medicine , 32(6), 949-953.

Maternal-fetal medicine fellowship obstetrical ultrasound experience: results from a fellowship survey
Blumenfeld, Y. J., Ness, A., & Platt, L. D. (2013). Maternal-fetal medicine fellowship obstetrical ultrasound experience: results from a fellowship survey. PRENATAL DIAGNOSIS, 33(2), 158-161.

Conservatively Managed Fetal Goiter: An Alternative to in utero Therapy
Blumenfeld, Y. J., Davis, A., Milan, K., Chueh, J., Hudgins, L., & Hintz, S. R. (2013). Conservatively Managed Fetal Goiter: An Alternative to in utero Therapy. FETAL DIAGNOSIS AND THERAPY, 34(3), 184-187.

Infants with Prenatally Diagnosed Anomalies Special Approaches to Preparation and Resuscitation
Colby, C. E., Carey, W. A., Blumenfeld, Y. J., & Hintz, S. R. (2012). Infants with Prenatally Diagnosed Anomalies Special Approaches to Preparation and Resuscitation. CLINICS IN PERINATOLOGY, 39(4), 871-887.

Utilization of available prenatal screening and diagnosis: effects of the California screen program
Blumenfeld, Y. J., Taylor, J., Lee, H. C., Hudgins, L., Sung, J. F., & El-Sayed, Y. Y. (2012). Utilization of available prenatal screening and diagnosis: effects of the California screen program. JOURNAL OF PERINATOLOGY, 32(12), 907-912.

Non-invasive prenatal measurement of the fetal genome
Fan, H. C., Gu, W., Wang, J., Blumenfeld, Y. J., El-Sayed, Y. Y., & Quake, S. R. (2012). Non-invasive prenatal measurement of the fetal genome. NATURE, 487(7407), 320-?.

Rectus muscle and visceral peritoneum closure at cesarean delivery and intraabdominal adhesions
Lyell, D. J., Caughey, A. B., Hu, E., Blumenfeld, Y., El-Sayed, Y. Y., & Daniels, K. (2012). Rectus muscle and visceral peritoneum closure at cesarean delivery and intraabdominal adhesions. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 206(6).

Trends in Cesarean Delivery for Twin Births in the United States: 1995-2008 Reply
Lee, H. C., Gould, J. B., Boscardin, W. J., El-Sayed, Y. Y., & Blumenfeld, Y. J. (2012). Trends in Cesarean Delivery for Twin Births in the United States: 1995-2008 Reply. OBSTETRICS AND GYNECOLOGY, 119(3), 658-659.

Erratum: Non-invasive prenatal measurement of the fetal genome.
Fan, H. C., Gu, W., Wang, J., Blumenfeld, Y. J., El-Sayed, Y. Y., & Quake, S. R. (2012). Erratum: Non-invasive prenatal measurement of the fetal genome. Nature.

Noninvasive prenatal diagnosis: pregnant women's interest and expected uptake
Tischler, R., Hudgins, L., Blumenfeld, Y. J., Greely, H. T., & Ormond, K. E. (2011). Noninvasive prenatal diagnosis: pregnant women's interest and expected uptake. PRENATAL DIAGNOSIS, 31(13), 1292-1299.

Trends in Cesarean Delivery for Twin Births in the United States 1995-2008
Lee, H. C., Gould, J. B., Boscardin, W. J., El-Sayed, Y. Y., & Blumenfeld, Y. J. (2011). Trends in Cesarean Delivery for Twin Births in the United States 1995-2008. OBSTETRICS AND GYNECOLOGY, 118(5), 1095-1101.

Do adhesions at repeat cesarean delay delivery of the newborn?
Greenberg, M. B., Daniels, K., Blumenfeld, Y. J., Caughey, A. B., & Lyell, D. J. (2011). Do adhesions at repeat cesarean delay delivery of the newborn?. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 205(4).

Sextuplet heterotopic pregnancy presenting as ovarian hyperstimulation syndrome and hemoperitoneum
Fisher, S. L., Massie, J. Am., Blumenfeld, Y. J., & Lathi, R. B. (2011). Sextuplet heterotopic pregnancy presenting as ovarian hyperstimulation syndrome and hemoperitoneum. FERTILITY AND STERILITY, 95(7).

Prenatal Diagnosis of Cross-Fused Renal Ectopia: Does Color Doppler and 3-Dimensional Sonography Help?
Chang, P. L., Mrazek-Pugh, B., & Blumenfeld, Y. J. (2011). Prenatal Diagnosis of Cross-Fused Renal Ectopia: Does Color Doppler and 3-Dimensional Sonography Help?. JOURNAL OF ULTRASOUND IN MEDICINE, 30(4), 578-580.

MR imaging in cases of antenatal suspected appendicitis - a meta-analysis
Blumenfeld, Y. J., Wong, A. E., Jafari, A., Barth, R. A., & El-Sayed, Y. Y. (2011). MR imaging in cases of antenatal suspected appendicitis - a meta-analysis. JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE, 24(3), 485-488.

Antenatal Steroid Administration for Premature Neonates in California
Lee, H. C., Lyndon, A., Blumenfeld, Y. J., Dudley, R. A., & Gould, J. B. (2011). Antenatal Steroid Administration for Premature Neonates in California. OBSTETRICS AND GYNECOLOGY, 117(3), 603-609.

The Effect of Preterm Premature Rupture of Membranes on Neonatal Mortality Rates
Blumenfeld, Y. J., Lee, H. C., Gould, J. B., Langen, E. S., Jafari, A., & El-Sayed, Y. Y. (2010). The Effect of Preterm Premature Rupture of Membranes on Neonatal Mortality Rates. OBSTETRICS AND GYNECOLOGY, 116(6), 1381-1386.

Maternal-fetal and neonatal pharmacogenomics: a review of current literature
Blumenfeld, Y. J., Reynolds-May, M. F., Altman, R. B., & El-Sayed, Y. Y. (2010). Maternal-fetal and neonatal pharmacogenomics: a review of current literature. JOURNAL OF PERINATOLOGY, 30(9), 571-579.

Analysis of the Size Distributions of Fetal and Maternal Cell-Free DNA by Paired-End Sequencing
Fan, H. C., Blumenfeld, Y. J., Chitkara, U., Hudgins, L., & Quake, S. R. (2010). Analysis of the Size Distributions of Fetal and Maternal Cell-Free DNA by Paired-End Sequencing. CLINICAL CHEMISTRY, 56(8), 1279-1286.

Ultrasound estimation of fetal weight in small for gestational age pregnancies
Blumenfeld, Y. J., Lee, H. C., Pullen, K. M., Wong, A. E., Pettit, K., & Taslimi, M. M. (2010). Ultrasound estimation of fetal weight in small for gestational age pregnancies. JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE, 23(8), 790-793.

Single- versus double-layer hysterotomy closure at primary caesarean delivery and bladder adhesions
Blumenfeld, Y. J., Caughey, A. B., El-Sayed, Y. Y., Daniels, K., & Lyell, D. J. (2010). Single- versus double-layer hysterotomy closure at primary caesarean delivery and bladder adhesions. BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY, 117(6), 690-694.

The Effects of Respiratory Failure on Delivery in Pregnant Patients With H1N1 2009 Influenza
Jafari, A., Langen, E. S., Aziz, N., Blumenfeld, Y. J., Mihm, F., & Druzin, M. L. (2010). The Effects of Respiratory Failure on Delivery in Pregnant Patients With H1N1 2009 Influenza. OBSTETRICS AND GYNECOLOGY, 115(5), 1033-1035.

Chorionic villus sampling: technique and training
Blumenfeld, Y. J., & Chueh, J. (2010). Chorionic villus sampling: technique and training. CURRENT OPINION IN OBSTETRICS & GYNECOLOGY, 22(2), 146-151.

Microfluidic digital PCR enables rapid prenatal diagnosis of fetal aneuploidy
Fan, H. C., Blumenfeld, Y. J., El-Sayed, Y. Y., Chueh, J., & Quake, S. R. (2009). Microfluidic digital PCR enables rapid prenatal diagnosis of fetal aneuploidy. AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 200(5).

Prematurity prevention: the role of acute tocolysis
Blumenfeld, Y. J., & Lyell, D. J. (2009). Prematurity prevention: the role of acute tocolysis. CURRENT OPINION IN OBSTETRICS & GYNECOLOGY, 21(2), 136-141.

Noninvasive diagnosis of fetal aneuploidy by shotgun sequencing DNA from maternal blood
Fan, H. C., Blumenfeld, Y. J., Chitkara, U., Hudgins, L., & Quake, S. R. (2008). Noninvasive diagnosis of fetal aneuploidy by shotgun sequencing DNA from maternal blood. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 105(42), 16266-16271.

Single- versus double-layer uterine incision closure and uterine rupture
Gyamfi, C., Juhasz, G., Gyamfi, P., Blumenfeld, Y., & Stone, J. L. (2006). Single- versus double-layer uterine incision closure and uterine rupture. JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE, 19(10), 639-643.

Fetal urinoma as a sign of a dysplastic kidney
Miller, M., Korzets, Z., Blumenfeld, Y., Pomeranz, M., Aviram, R., & Pomeranz, A. (2003). Fetal urinoma as a sign of a dysplastic kidney. PEDIATRIC NEPHROLOGY, 18(1), 65-67.