title: The authors reply.
authors.affiliation: Institute of Social and Preventive Medicine, Lausanne University Hospital, 1010 Lausanne, Switzerland.
authors.forename: Arnaud
authors.initials: A
authors.lastname: Chiolero
authors.forename: Gilles
authors.initials: G
authors.lastname: Paradis
authors.forename: Jay S
authors.initials: JS
authors.lastname: Kaufman
mesh_terms: D001724:Birth Weight; D001794:Blood Pressure; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy