Fig. 4From: An adjustable fetal weight standard for twins: a statistical modeling studyComparisons between observed birthweight (Norway [15], Australia [16], Japan [17]), estimated fetal weight (US [3], Brazil dichorionic and monochorionic [19]), and adjusted fetal weight by the adjustable fetal weight standard for twins in five previous studies. The 50th percentile birthweight was selected in the Norwegian and Australian studies [15, 16]Back to article page