Author's reply regarding "Confined placental mosaicism at chorionic villous sampling: risk factors and pregnancy outcome". (1st March 2013) - Baffero, Giulia Maria; Somigliana, Edgardo; Crovetto, Francesca; Paffoni, Alessio; Persico, Nicola; Guerneri, Silvana; Lalatta, Faustina; Fogliani, Roberto; Fedele, Luigi