Medically assisted reproduction and the risk of preterm birth: a case–control study using data from the Quebec Pregnancy Cohort

Research Centre (Gorgui, Sheehy, Bérard), Centre hospitalier universitaire Sainte-Justine; Faculty of Pharmacy (Gorgui, Bérard), University of Montréal; Departments of Pediatrics, Human Genetics and Pharmacology, and Therapeutics and Research Institute of the McGill University Health Centre (Trasler), McGill University, Montréal, Que.; Faculty of Medicine and Health Sciences (Fraser), University of Sherbrooke, Sherbrooke, Que.

Research Centre (Gorgui, Sheehy, Bérard), Centre hospitalier universitaire Sainte-Justine; Faculty of Pharmacy (Gorgui, Bérard), University of Montréal; Departments of Pediatrics, Human Genetics and Pharmacology, and Therapeutics and Research Institute of the McGill University Health Centre (Trasler), McGill University, Montréal, Que.; Faculty of Medicine and Health Sciences (Fraser), University of Sherbrooke, Sherbrooke, Que.

Research Centre (Gorgui, Sheehy, Bérard), Centre hospitalier universitaire Sainte-Justine; Faculty of Pharmacy (Gorgui, Bérard), University of Montréal; Departments of Pediatrics, Human Genetics and Pharmacology, and Therapeutics and Research Institute of the McGill University Health Centre (Trasler), McGill University, Montréal, Que.; Faculty of Medicine and Health Sciences (Fraser), University of Sherbrooke, Sherbrooke, Que.

Research Centre (Gorgui, Sheehy, Bérard), Centre hospitalier universitaire Sainte-Justine; Faculty of Pharmacy (Gorgui, Bérard), University of Montréal; Departments of Pediatrics, Human Genetics and Pharmacology, and Therapeutics and Research Institute of the McGill University Health Centre (Trasler), McGill University, Montréal, Que.; Faculty of Medicine and Health Sciences (Fraser), University of Sherbrooke, Sherbrooke, Que.

Research Centre (Gorgui, Sheehy, Bérard), Centre hospitalier universitaire Sainte-Justine; Faculty of Pharmacy (Gorgui, Bérard), University of Montréal; Departments of Pediatrics, Human Genetics and Pharmacology, and Therapeutics and Research Institute of the McGill University Health Centre (Trasler), McGill University, Montréal, Que.; Faculty of Medicine and Health Sciences (Fraser), University of Sherbrooke, Sherbrooke, Que.