Affiliation: | 1. Department of Obstetrics, Jeanne de Flandre Hospital, CHU Lille, Lille, France;2. Perinatal Environment and Growth, EA 4489, University of Lille North of France, Lille, France;3. Department of Biostatistics, EA 2694, UDSL, CHU Lille, Lille, France;4. Etablissement fran?ais du Sang, Nord Pas de Calais, France |