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Dr. Laura Gaudet MSc, MD
Dr. Laura Gaudet
Associate Professor
Contact Info

Current Appointments:

  • Division Head, Maternal Fetal Medicine
  • Head of Labour and Delivery


Clinical Activities and Research Interests:

  • Maternal Fetal Medicine
  • Perinatal Epidemiology
  • Maternal Medical Conditions in Pregnancy 
  • Obesity and Pregnancy Outcomes


Other Interests:

  • Shepherding/Wool Production
  • Gardening and Slow Food Preparation


Selected Publications:



  • Guo Y, Miao Q, Huang T, Fell D, Harvey A, Wen SW, Walker M, Gaudet L. Racial/ethnic variations in gestational weight gain: a population-based study in Ontario. Canadian Journal of Public Health. Published online 2019 Aug 26.
  • Bacal V, Russo M, Fell DB, Shapro H, Walker M, Gaudet LM.  A systematic review of database validation studies among fertility populations.  Human Reproduction Open.  2019; 3:1-14. doi:10.1093/hropen/hoz010.
  • Chaudhry SH, Taljaard M, MacFarlane AJ, Gaudet LM, Smith GN, Rodger M, Rennicks White R, Walker MC, Wen SW.  The role of maternal homocysteine concentration in placenta-mediated complications: findings from the Ottawa and Kingston birth Cohort.  BMC Pregnancy and Childbirth.  2019 Feb 19; 19(1):75.  doi: 10.1186/s12884-019-2219-5.
  • Vélez MP, Hamel C, Hutton B, Gaudet L, Walker M, Thuku M, Cobey KD, Pratt M, Skidmore B, Smith GN. Care plans for women pregnant using assisted reproductive technologies: A Systematic Review.  Reproductive Health.  2019 Jan 29;16(1):9. doi: 10.1186/s12978-019-0667-z.


  • Lowry DE, Corsi DJ, White RR, Guo M, Lanes A, Smith G, Rodger M, Wen SW, Walker M, Gaudet L.  Association Between Prophylactic Low Molecular Weight Heparin Use in Pregnancy and Macrosomia: Analysis of the Ottawa and Kingston Birth Cohort.  Journal of Thrombosis and Haemostasis.  2018 Dec 14. doi: 10.1111/jth.14358. 
  • Wen SW, White RR, Rybak N, Gaudet LM, Robson S, Hague W, Simms-Stewart D, Carroli G, Smith G, Fraser WD, Wells G, Davidge ST, Kingdom J, Coyle D, Fergusson D, Corsi DJ, Champagne J, Sabri E, Ramsay T, Mol BWJ, Oudijk MA, Walker MC; FACT Collaborating Group.  Effect of high dose folic acid supplementation in pregnancy on pre-eclampsia (FACT): double blind, phase III, randomised controlled, international, multicentre trial. BMJ (British Medical Journal). 362:k3478. doi: 10.1136/bmj.k3478, 2018.  
  • Dutton HP, Borengasser SJ, Gaudet LM, Barbour LA, Keely EJ. Obesity in Pregnancy: Optimizing Outcomes for Mom and Baby.  Medical Clinics of North America.  102(1):87-106, 2018.
  • Miller C, Grynspan D, Gaudet L, Ferretti E, Lawrence S, Moretti F, Lafreniere A, McGee a, Lattuca S, Black A.  Maternal and neonatal characteristics for a Canadian urban cohort receiving treatment for opioid use disorder during pregnancy.  Journal of the Developmental Origins of Health and Disease.  16 August:1-6, 2018.


  • Lisonkova S., Mehrabadi A., Allen V.M., Bujold E., Crane J.M., Gratton R.J., Ladhani N.N., Olatunbosun O.A. and K.S. Joseph, Atonic Postpartum Hemorrhage: Blood Loss, Risk Factors, and Third Stage Management.  Journal of Obstetrics and Gynaecology Canada.  38(12):1081-1080.e2, 2016.
  • Hua X., Zhang J., Guo Y., Shen M., Gaudet, L., Janoudi, G., Walker, M., Wen, S.W.  Effect of folic acid supplementation during pregnancy on gestational hypertension/preeclampsia: A systematic review and meta-analysis.  Hypertension in Pregnancy.  35(4):447-460, 2016.
  • Shen, M., Chaudhry, S.H., MacFarlane, A.J., Gaudet, L., Smith, G.N., Rodger, M., White R.R., Walker, M.C. and S.W. Wen.  Serum and red-blood-cell folate demonstrate differential associations with BMI in pregnant women.  Public Health Nutrition.  19(14):2572-9, 2016. 
  • Xue J., Chen W., Chen, L., Gaudet, L., Moher, D., Walker, M. and S.W. Wen.  Significant discrepancies were found in pooled estimates of searching with Chinese indexes versus searching with English indexes.  Journal of Clinical Epidemiology.  70:246-53, 2016.


  • Chen, W., Xue, J., Gaudet, L., Walker, M. and S.W. Wen.  Meta-analysis of Foley catheter plus misoprostol versus misoprostol alone for cervical ripening.  International Journal of Gynaecology and Obstetrics.  2015, 129(3):193-8. 
  • Ferraro Z.M., Contador F., Tawfiq A., Adamo K.B., and L. Gaudet.  Gestational weight gain and medical outcomes of pregnancy.  Obstetric Medicine.  8(3):133-7, 2015.
  • Wen, S.W., Gaudet L., Champagne J., White R.R., Rybak, N., Walker, M.  Effect of folic acid supplementation in pregnancy on preeclampsia – Folic Acid Clinical Trial (FACT).  Pregnancy Hypertension. 2015, 5(1), 149.
  • R.H. Xie, L. Gaudet, D. Krewski, I.D. Graham, M.C. Walker, SW Wen, Higher Cesarean Delivery Rates are Associated with Higher Infant Mortality Rates in Industrialized Countries.  Birth.  42(1):62-9, 2015.


  • L. Gaudet, Z.M. Ferraro, S.W. Wen, M. Walker, Maternal obesity and occurrence of fetal macrosomia: a systematic review and meta-analysis.  Biomed Research International. Epub December 7, 2014.
  • L.M. Gaudet, S.W. Wen, M.C. Walker, The Combined Effect of Maternal Obesity and Fetal Macrosomia: Concerning Labour Outcomes. Journal of Obstetrics and Gynaecology Canada. 36(9):776-84, 2014.
  • K. Singh, M.T. Ansari, L.M. Gaudet, Subcutaneous Terbutaline Pump for Maintenance of Tocolysis following Arrest of Acute Preterm Labour.  Obstetrics and Gynecology International.  Published online at 2014. K.B. Adamo, G.X. Shen, M. Mottola, S. Nascimento, S. Jean-Phillipe, Z.M. Ferraro, K. Nerenberg, G. Smith, R. Chari, L.M. Gaudet, H. Piccinini-Vallis, C. Wolcott, S. McDonald, S. Atkinson, A. Godbout, J. Robitaille, S.T. Davidge, A. Gruslin, D. Prud’homme, D. Stacey, M. Rossiter, G.S. Goldfield, J. Dodd, Obesity Prevention from Conception: a workshop to guide the development of a pan Canadian trial targeting the gestational period.  Nutrition and Metabolic Insights. 7: 7-18, 2014.


  • Z.M. Ferraro, K.S. Boehm, L.M. Gaudet, K.B. Adamo.  Counseling about gestational weight gain and healthy lifestyles during pregnancy: Canadian maternity care providers’ self-evaluation.  International Journal of Women’s Health.  2013;30(5):629-36.
  • A. Russell, S. Gillespie, S. Satya, L. M. Gaudet.  Assessing the Accuracy of Pregnant Women in New Brunswick when Recalling Pre-pregnancy Weight and Gestational Weight Gain.  Journal of Obstetrics and Gynaecology of Canada.  2013;35(9):802-809.  
  • D. El-Chaar, S.A. Finkelstein, X. Tu, D.B. Fell, L. Gaudet, J. Sylvain, G. Tawagi, S.W. Wen, M. Walker.  The impact of increasing obesity class on obstetrical outcomes.  Journal of Obstetrics and Gynaecology of Canada.  2013;35(3):224-33.


  • L.M. Gaudet, X. Tu, D. Fell, D. El-Chaar, S.W. Wen, M. Walker.  The Effect of Maternal Class III Obesity on Neonatal Outcomes: A Retrospective Matched Cohort Study.  Journal of Maternal-Fetal & Neonatal Medicine.   2012;25(11):2281-6.
  • L.M. Gaudet, K. Singh, L. Weeks, B. Skidmore, A. Tsertsavdze, M. Ansari.  Comparative Effectiveness of Terbutaline Pump for the Prevention of Preterm Birth. A Systematic Review and Meta-Analysis.  PLoS One.  2012;7(2):e31679 (1-10).
  • Z.M. Ferraro, L.M. Gaudet, K. Adamo.  The Potential Impact of Physical Activity in Pregnancy on Maternal and Neonatal Outcomes.  Obstetrical and Gynecological Survey.  2012;67(2):99-110.


  • L.M. Gaudet, A. Gruslin, L. Magee.  Weight in pregnancy and its implications – what women report.  Journal of Obstetrics and Gynecology of Canada.  2011;33(3):227-34.


  • L.M. Gaudet, M. Flavin, O. Islam, G.N. Smith.  Diffusion MRI Brain Findings in Neonates Exposed to Chorioamnionitis:  A Case Series.  Journal of Obstetrics and Gynecology of Canada.  2009; 31(6): 497-503.
  • L.M. Gaudet, R. Dyzak, S. Aung, G.N. Smith.  Effectiveness of acupuncture for the induction of labour at term: a pilot randomized control trial.  Journal of Obstetrics and Gynaecology of Canada.  2008; 30(12):1118-1123.
  • L.M. Gaudet, J. MacKenzie, G.N. Smith.  Fat-soluble vitamin deficiency and pregnancy: A case report and review of Abetalipoproteinemia. Journal of Obstetrics and Gynaecology of Canada 2006; 28(8): 716-719.
  • L.A. Patrick, L.M. Gaudet, A.E. Farley, J.P. Rossiter, L.L. Tomalty, G.N. Smith.   Development of a guinea pig model of chorioamnionitis and fetal brain injury.  American Journal of Obstetrics and Gynecology 2004; 191: 1205-1211.
  • L.M. Gaudet, P. Hahn, S. Kives, R.L. Reid.  What women believe about oral contraceptives and the effect of counseling.  Contraception 2004; 69(1): 31-36.
  • L.M. Gaudet and G.N. Smith. Cerebral Palsy and Chorioamnionitis: The Inflammatory Cytokine Link. Obstetrical and Gynecological Survey 2001; 56(7): 433-6.


Technical Proceedings

  • W. Gyselaers, J. Pascale, N. Ahmadzai, M. Ansari, S. Carville, K. Dworzynski, L. Gaudet, J. Glen, et al. What are the recommended clinical assessment and screening tests during pregnancy?.  Good Clinical Practice (GCP) Brussels: Belgian Health Care Knowledge Centre (KCE).  KCE Reports 248. D/2015/10.273/58,125 pages and 638 page supplement. 2015.
  • K. Roelens, D. Roberfroid, N. Ahmadzai, M. Ansari, K. Singh, L. Gaudet, S. Alexander, L. Verleye, et al.  Prevention of preterm birth in women at risk: selected topics.  Good Clinical Practice (GCP) Brussels: Belgian Health Care Knowledge Centre (KCE).  KCE Reports 228. D/2014/10.273/64, 108 pages and 312 page supplement. 2014.
  • Best Start Resource Centre.  Obesity in Preconception and Pregnancy.  Toronto, Canada.  2013.  
  • L.M. Gaudet, K. Singh, L. Weeks, B. Skidmore, S. Tsouros, A. Tsertsavdze, R. Daniel, S. Doucette, M. Walker, M. Ansari.  Comparative Efectiveness of Terbutaline Pump for the Prevention of Preterm Birth.  Comparative Effectiveness Review No. 35 (Prepared by the University of Ottawa Evidence-based Practice Center under Contract No. HHSA290-2007-10059I.) AHRQ Publication No.11-EHC068-EF.  Rockville, MD: Agency for Healthcare Research and Quality. September 2011. Available at


Book Chapters 

  • L.M. Gaudet.  Chapter 33:  “Labor in the Presence of Fetal Complications”.  In Oxorn-Foote Human Labor and Birth, 6th edition.  2013; 637-46.  McGraw Hill, New York.
  • L.M. Gaudet.  Chapter 35:  “Postterm Pregnancy”.  In Oxorn-Foote Human Labor and Birth, 6th edition.  2013; 661-70.  McGraw Hill, New York.