marginally significantP = 0.055
There was no difference in the total relative abundance of OTUs (Supplementary Information 1 , 2 and 3 ), but there was an indication that the microbiome diversity may have been increased in the group of T1D mothers suggested by marginally significant Simpson diversity index (Fig. 1 , F (1,14) = 4.36 , P = 0.055).