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The prevalence of elevated PTH (≥ 60 pg/mL) increased from mid-gestation (23.3 □□} 3.6 weeks) weeksto delivery (39.2 □□} 2.9 weeks), and was detected in adolescents with replete 25(OH)D at delivery. The percentage of adolescents in each 25(OH)D category with elevated PTH are indicated within each column.
