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. Ruby, E, McDonald, SD, Berger, H, Melamed, N, Li, J, Darling, EK et al.. Exploring patients' perspectives of gestational diabetes mellitus screening and counselling in Ontario: A grounded theory study. Health Expect. 2023; :. doi: 10.1111/hex.13708. PubMed PMID:36651675 .
  2. Nham, T, Read, SH, Giannakeas, V, Berger, H, Feig, DS, Fleming, K et al.. The association between offspring birthweight and future risk of maternal diabetes: A population-based study. Diabet Med. 2023;40 (2):e14991. doi: 10.1111/dme.14991. PubMed PMID:36281547 .
  3. Murray-Davis, B, Berger, H, Melamed, N, Darling, EK, Syed, M, Guarna, G et al.. A framework for understanding how midwives perceive and provide care management for pregnancies complicated by gestational diabetes or hypertensive disorders of pregnancy. Midwifery. 2022;115 :103498. doi: 10.1016/j.midw.2022.103498. PubMed PMID:36191384 .
  4. Hiersch, L, Shah, BR, Berger, H, Geary, M, McDonald, SD, Murray-Davis, B et al.. Screening Accuracy of the 50 g-Glucose Challenge Test in Twin Compared With Singleton Pregnancies. J Clin Endocrinol Metab. 2022;107 (10):2854-2864. doi: 10.1210/clinem/dgac472. PubMed PMID:35931097 .
  5. Naeh, A, Berezowsky, A, Yaniv, SS, Berger, H, Agrawal, S, Ray, JG et al.. Persistence of abnormal uterine artery flow postpartum: Case-control study. Pregnancy Hypertens. 2022;29 :21-22. doi: 10.1016/j.preghy.2022.05.010. PubMed PMID:35660511 .
  6. Hiersch, L, Shah, BR, Berger, H, Geary, M, McDonald, SD, Murray-Davis, B et al.. The prognostic value of the oral glucose tolerance test for future type-2 diabetes in nulliparous pregnant women testing negative for gestational diabetes. Diabetes Metab. 2022;48 (5):101364. doi: 10.1016/j.diabet.2022.101364. PubMed PMID:35659623 .
  7. Jegathesan, T, Ray, JG, Keown-Stoneman, CDG, Campbell, DM, Shah, V, Berger, H et al.. Pre-phototherapy total serum bilirubin levels in extremely preterm infants. Pediatr Res. 2023;93 (1):226-232. doi: 10.1038/s41390-022-02065-0. PubMed PMID:35523883 .
  8. Ganor Paz, Y, Barzilay, E, Saied Idriss, S, Murray-Davis, B, Melamed, N, Ray, J et al.. Association of the Cerebro-Placental Ratio With Adverse Outcomes in Pregnancies Affected by Gestational Diabetes Mellitus. J Ultrasound Med. 2022;41 (11):2767-2774. doi: 10.1002/jum.15961. PubMed PMID:35174894 .
  9. Yamamoto, JM, Donovan, LE, Feig, DS, Berger, H. Temporary Alternative Screening Strategy for Gestational Diabetes Screening During the COVID-19 Pandemic-The Need for a Middle Ground. Can J Diabetes. 2022;46 (2):204-206. doi: 10.1016/j.jcjd.2021.08.008. PubMed PMID:35115249 PubMed Central PMC8393494.
  10. Ray, JG, Abdulaziz, KE, Berger, H, DOH-NET (Diabetes, Obesity, and Hypertension in Pregnancy Research Network). Aspirin Use for Preeclampsia Prevention Among Women With Prepregnancy Diabetes, Obesity, and Hypertension. JAMA. 2022;327 (4):388-390. doi: 10.1001/jama.2021.22749. PubMed PMID:35076678 PubMed Central PMC8790661.
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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