1)Yamamoto R, et al : The use of amniotic fluid discordance in the early second trimester to predict severe twin-twin transfusion syndrome. Fetal Diagn Ther 34 : 8-12, 2013
2)Hayashi S, et al : Outcome of monochorionic twin pregnancies with moderate amniotic fluid discordance adjoining twin-twin transfusion syndrome. Prenat Diagn 36 : 170-176, 2016
3)Huber A, et al : Perinatal outcome in monochorionic twin pregnancies complicated by amniotic fluid discordance without severe twin-twin transfusion syndrome. Ultrasound Obstet Gynecol 27 : 48-52, 2006
4)Lewi L, et al : The role of ultrasound examination in the first trimester and at 16 weeks' gestation to predict fetal complications in monochorionic diamniotic twin pregnancies. Am J Obstet Gynecol 199 : 493.e1-e7, 2008
5)Van Mieghem T, et al : Outcome prediction in monochorionic diamniotic twin pregnancies with moderately discordant amniotic fluid. Ultrasound Obstet Gynecol 37 : 15-21, 2011
6)Ozawa K, et al : Fetoscopic laser photocoagulation for amniotic fluid discordance bordering on twin-twin transfusion syndrome : feasibility, perinatal and long-term outcomes. J Obstet Gynaecol Res 43 : 1256-1262, 2017
7)Sago H, et al : Fetoscopic laser photocoagulation for twin-twin transfusion syndrome. J Obstet Gynaecol Res 44 : 831-839, 2018