Mapping the effects of pregnancy on resting state brain activity, white matter microstructure, neural metabolite concentrations and grey matter architecture.

When investigating the GM volume changes across sessions, we observed a symmetrical pattern of highly significant group differences (Fig. 1 , Supplementary Table 1 ), and post hoc analyses revealed that each of these clusters reflected reductions in regional GM in the women who were pregnant between the time points (Supplementary Table 2 ).

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