“…CHD, congenital heart disease; echo, echocardiography; GA, gestational age at diagnosis; NS, not stated; Prosp, prospective; Retro, retrospective. 32 Esmer (2014) 31 Du (2014) 30 Jowett (2012) 29 Barrea (2011) 28 Rizzo (2008) 27 Galindo (2007) 15 Berg (2006) 14 Pasquini (2005) 13 Head (2005) 26 Chaoui (2003) 25 Machevin-Surugue (2002) 24 Rein (2000) 23 Only the first author of each study is given. A study can be awarded a maximum of one star for each numbered item within the selection and outcome categories.…”