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. Ho, JSS, Read, SH, Giannakeas, V, Sarma, S, Berger, H, Feig, DS et al.. The association between immigration status and the development of type 2 diabetes in women with a prior diagnosis of gestational diabetes: A population-based study. Diabet Med. 2023; :e15128. doi: 10.1111/dme.15128. PubMed PMID:37143386 .
  2. Hiersch, L, Berger, H, McDonald, SD, Murray-Davis, B, Abdulaziz, KE, Geary, M et al.. Maternal age and pregnancy outcomes in twin compared with singleton gestations. Int J Gynaecol Obstet. 2023; :. doi: 10.1002/ijgo.14724. PubMed PMID:36799535 .
  3. 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;26 (2):827-835. doi: 10.1111/hex.13708. PubMed PMID:36651675 PubMed Central PMC10010101.
  4. 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 .
  5. 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 .
  6. 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 .
  7. 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 .
  8. 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 .
  9. 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 .
  10. 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 .
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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