Affiliation: | 1. Department of Obstetrics and Gynecology ‘L. Mangiagalli’, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy;2. Obstetrics and Gynecology Unit, Humanitas San Pio X, Milan, Italy;3. Neonatal Intensive Care Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy;4. Neonatal Intensive Care Unit, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy Department of Clinical Science and Community Health, University of Milan, Milan, Italy;5. Department of Obstetrics and Gynecology ‘L. Mangiagalli’, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy Department of Clinical Science and Community Health, University of Milan, Milan, Italy |