Comparison of perinatal outcome after 2nd trimester amniocentesis using 22G and 20G needle Posted on March 4, 2019July 21, 2022 by admin LETTER Hippokratia 2017, 21, 1: 60 Athanasiadis A, Petrakis P, Mikos T 1st Department of Obstetrics and Gynecology, Papageorgiou General Hospital, Aristotle University of Thessaloniki, Prenatal Diagnosis Center of Thessaloniki, Thessaloniki, Greece