1. Division of Gynecology and Human Reproduction Physiopathology Department of Medical and Surgical Sciences IRCCS Azienda Ospedaliero‐Univeristaria di Bologna, S. Orsola Hospital University of Bologna Bologna Italy
2. Gynecology and Obstetrics Unit Department of Neuroscience, Reproductive Sciences and Dentistry School of Medicine University of Naples Federico II Naples Italy
3. Gynecology and Obstetrics Unit Department of Medicine, Surgery and Dentistry "Schola Medica Salernitana" University of Salerno Baronissi Italy
4. Obstetrics and Feto‐Maternal Medicine Unit Department of Medical and Surgical Sciences IRCCS Azienda Ospedaliero‐Univeristaria di Bologna S. Orsola Hospital University of Bologna Bologna Italy