Dr. Howard Berger leads the division of Maternal Fetal Medicine and Obstetric Ultrasound at St. Michael’s Hospital and is a Professor in the University of Toronto Department of Obstetrics and Gynecology.  He is PI of the Diabetes, Obesity and Hypertension in Pregnancy Research Network (DOH-Net) Research focuses include Diabetes and adiposity in pregnancy, prenatal ultrasound and prenatal screening.


Recent Publications

  1. Hiersch, L, Ray, JG, Barrett, J, Berger, H, Geary, M, McDonald, SD et al.. Maternal cardiovascular disease after twin pregnancies complicated by hypertensive disorders of pregnancy: a population-based cohort study. CMAJ. 2021;193 (37):E1448-E1458. doi: 10.1503/cmaj.202837. PubMed PMID:34544783 .
  2. Shinar, S, Walsh, L, Roberts, N, Melamed, N, Barrett, J, Riddell, C et al.. Timing of cesarean delivery in women with ≥2 previous cesarean deliveries. Am J Obstet Gynecol. 2021; :. doi: 10.1016/j.ajog.2021.07.018. PubMed PMID:34363783 .
  3. Aviram, A, Berger, H, Abdulaziz, KE, Barrett, JFR, Murray-Davis, B, McDonald, SD et al.. Outcomes Associated With Hypertensive Disorders of Pregnancy in Twin Compared With Singleton Gestations. Obstet Gynecol. 2021;138 (3):449-458. doi: 10.1097/AOG.0000000000004506. PubMed PMID:34352849 .
  4. Zhao, G, Murphy, KE, Berger, H, Shah, BR, Halperin, I, Barrett, J et al.. The screening performance of glucose challenge test for gestational diabetes in twin pregnancies: a systematic review and meta-analysis. J Matern Fetal Neonatal Med. 2021; :1-11. doi: 10.1080/14767058.2021.1956896. PubMed PMID:34325609 .
  5. Mirdamadi, K, Kwok, J, Nevo, O, Berger, H, Piquette-Miller, M. Impact of Th-17 Cytokines on the Regulation of Transporters in Human Placental Explants. Pharmaceutics. 2021;13 (6):. doi: 10.3390/pharmaceutics13060881. PubMed PMID:34203644 PubMed Central PMC8232183.
  6. Jegathesan, T, Campbell, DM, Ray, JG, Shah, V, Berger, H, Hayeems, RZ et al.. Transcutaneous versus Total Serum Bilirubin Measurements in Preterm Infants. Neonatology. 2021;118 (4):443-453. doi: 10.1159/000516648. PubMed PMID:34139689 .
  7. Hiersch, L, Shah, BR, Berger, H, Geary, M, McDonald, SD, Murray-Davis, B et al.. Oral Glucose Tolerance Test Results in Pregnancy Can Be Used to Individualize the Risk of Future Maternal Type 2 Diabetes Mellitus in Women With Gestational Diabetes Mellitus. Diabetes Care. 2021;44 (8):1860-1867. doi: 10.2337/dc21-0659. PubMed PMID:34131049 .
  8. Shinar, S, Melamed, N, Abdulaziz, KE, Ray, JG, Riddell, C, Barrett, J et al.. Changes in rate of preterm birth and adverse pregnancy outcomes attributed to preeclampsia after introduction of a refined definition of preeclampsia: A population-based study. Acta Obstet Gynecol Scand. 2021;100 (9):1627-1635. doi: 10.1111/aogs.14199. PubMed PMID:34043808 .
  9. Lipworth, H, Melamed, N, Berger, H, Geary, M, McDonald, SD, Murray-Davis, B et al.. Maternal weight gain and pregnancy outcomes in twin gestations. Am J Obstet Gynecol. 2021; :. doi: 10.1016/j.ajog.2021.04.260. PubMed PMID:33984302 .
  10. Ashwal, E, Berger, H, Hiersch, L, Yoon, EW, Zaltz, A, Shah, B et al.. Gestational diabetes and fetal growth in twin compared with singleton pregnancies. Am J Obstet Gynecol. 2021; :. doi: 10.1016/j.ajog.2021.04.225. PubMed PMID:33872592 .
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Affiliations & Other Activities

  • Head, Maternal Fetal Medicine and Obstetric Ultrasound, Obstetrics and Gynecology, St. Michael’s Hospital
  • Deputy Chief, Obstetrics, St. Michael’s Hospital
  • Program Director: Advanced High Risk Obstetrics, Obstetrics and Gynecology, St. Michael’s Hospital and University of Toronto
  • Associate Professor, Department of Obstetrics and Gynecology, University of Toronto