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Giulia M. Muraca, PhD

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Perinatal Epidemiology Research Lab

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Irina I Oltean, BSc, MSc, PhD (Cand.)

Doctoral Student in Health Research Methods

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Irina Oltean is a doctoral student in the Department of Health Research Methods, Evidence and Impact in the Faculty of Health Sciences at McMaster University. Her dissertation aims to quantify variation in rates of severe maternal and perinatal morbidity and mortality following cesarean and operative vaginal delivery in subgroups of pregnancies classified by case-mix.

Irina's previous research has focused on the impact of SARS-CoV-2 on the clinical outcomes and placental pathology of pregnant women and their infants, gastroschisis, placental abruption, in-vitro fertilization, hypertensive disorders in pregnancy and intrauterine growth restriction.

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Irina presenting her work at the Department of Health Research Methods, Evidence, and Impact Annual Research Day in Burlington, ON, on April 29th, 2025.

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Irina celebrating her Best Oral Presentation award at the Canadian National Perinatal Research Meeting in Vancouver, BC, in June 2024.

Featured publications

A comparison of physiologic third-stage care, expectant management, and oxytocin prophylaxis in the prevention of postpartum hemorrhage following physiologic labor and birth: A systematic review

Vanessa Hébert, Nancy Santesso, Irina I. Oltean, Giulia M. Muraca, Elizabeth K. Darling

Journal of Midwifery & Women's Health, 2026

Semantic Scholar DOI PubMed

Asian-White racial disparities in postpartum hemorrhage and severe postpartum hemorrhage in Ontario, Canada: A population-based cohort study

Parnian Hossein-Pour, Rohan D'Souza, Anastasia Gayowsky, Irina I. Oltean, Esther Chin, Azar Mehrabadi, Giulia M Muraca

PLoS ONE, vol. 21(3), 2026, pp. e0344365

Semantic Scholar DOI PubMedCentral PubMed

Assessing the balance between success and safety in trial of labour after cesarean

Irina I. Oltean, R. D'Souza, Elizabeth K. Darling, Giulia M. Muraca

J Obstet Gynaecol Can, 2026

Semantic Scholar DOI

Obstetric trauma and its association with race and immigration: a population-based cohort study in Ontario, Canada

Irina I. Oltean, Parnian Hossein-Pour, Maya Rajasingham, Francis Nguyen, Susitha Wanigaratne, Rohan D'Souza, Giulia M. Muraca

Canadian Medical Association Journal, vol. 198(10), 2026, pp. E358-E368

Semantic Scholar DOI

Estimating causal effects of third-stage management on postpartum haemorrhage in a midwifery context: An evidence synthesis approach for constructing directed acyclic graphs

Vanessa Hébert, Irina I Oltean, Giulia M Muraca, Nancy Santesso, Elizabeth K Darling

Paed Perinat Epidemiol, 2025, pp. 1-9

Semantic Scholar DOI PubMed

Maternal morbidity following a trial of labor after cesarean birth: A scoping review of operative vaginal birth compared with cesarean birth in the second stage of labor

Irina I Oltean, Vanessa Hébert, Giulia M Muraca

Int J Gynaecol Obstet, 2025

Semantic Scholar DOI PubMed

Severe neonatal morbidity in forceps versus vacuum birth among individuals with previous cesarean birth: A population-based retrospective cohort study

Irina I. Oltean, Abirami Kirubarajan, Vanessa Hébert, Elizabeth K. Darling, Rohan D'Souza, Giulia M Muraca

American Journal of Perinatology, 2025

Semantic Scholar DOI PubMed

Assessment of adverse pregnancy and fertility outcomes among Canadian female physicians

Sahra Nathoo, Mehrnoosh Faghih, Giulia M Muraca, Irina Oltean

Fertility and Sterility, vol. 120(4), 2023, pp. E25

Semantic Scholar DOI

A full list of Irina's publications can be accessed here.