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Figure 2 Score Prediction of Post-Natal Circulation Between 26 and 31 Weeks’ Gestation

Score prediction between 26 and 31 weeks’ gestation using median PV z-scores and mitral valve (MV) to tricuspid valve (TV) ratios to separate those assigned to a UV or BV post-natal pathway. The numbers in the figures refer to the individual cases, with boxes around the case number and a symbol identifying those who underwent a fetal intervention. Normal z-score ranges are between +2 and –2. Circles = score of 0; open squares = score of 1; solid squares = score of 2. Abbreviations as in Figure 1.