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Side‐by‐side quantile box plots of birth weight z‐scores (Panel A) and gestational age (Panel B) by terminating leaf classification. Means are connected with a dashed line. Reference lines are given for zero z‐score and 37 weeks gestation. Percentage less than 37 weeks gestational age equaled 17% (44/264). Box plots are color coded to terminating leafs (see Figure 1)
