title: Reply.
authors: Department of Obstetrics and Prenatal Medicine, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium.
authors: Mina
authors: M
authors: Leyder
authors: Department of Obstetrics and Prenatal Medicine, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium.
authors: Anniek
authors: A
authors: Vorsselmans
authors: Department of Obstetrics and Prenatal Medicine, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium. Electronic address: Leonardo.Gucciardo@uzbrussel.be.
authors: Léonardo
authors: L
authors: Gucciardo