1 Reproduction, Mother and Child Health Unit, CHU de Québec-Université Laval Research Center, Québec City, QC; Department of Obstetrics, CHU de Lille, Université de Lille, Lille, France.
2 Reproduction, Mother and Child Health Unit, CHU de Québec-Université Laval Research Center, Québec City, QC.
3 Reproduction, Mother and Child Health Unit, CHU de Québec-Université Laval Research Center, Québec City, QC; Department of Obstetrics, Gynecology and Reproduction, CHU de Québec-Université Laval, Québec City, QC. Electronic address: emmanuel.bujold@crchudequebec.ulaval.ca.