title: Reply.
authors.affiliation: Department of Obstetrics, Gynecology and Reproduction, Hospital Universitari Dexeus, Gran Via Carles III, 71-75, 08028, Barcelona, Spain.
authors.forename: B
authors.initials: B
authors.lastname: Graupera
authors.affiliation: Department of Obstetrics, Gynecology and Reproduction, Hospital Universitari Dexeus, Gran Via Carles III, 71-75, 08028, Barcelona, Spain.
authors.forename: M A
authors.initials: MA
authors.lastname: Pascual
authors.affiliation: Department of Obstetrics, Gynecology and Reproduction, Hospital Universitari Dexeus, Gran Via Carles III, 71-75, 08028, Barcelona, Spain.
authors.forename: I
authors.initials: I
authors.lastname: Rodríguez