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MSEL Expressive Language Score Trajectory by Group and Timepoint. Model-generated differential trajectories of Expressive Language from the MSEL by group and timepoint (Visit). At 6 months, no group trajectories significantly differed from one another. By 12 months of age a pattern emerged between groups (Table 3) that persisted through 24 months, such that control > FH-nonASD > FH-ASD > FXS
