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Gene expression validation by qRT-PCR. A. Fold change in expression between first trimester and term placentas was assessed for nine selected miRNAs. B. The fold change in expression obtained by qRT-PCR and RNA-sequencing with their corresponding P-values. P-values are denoted as follows: * P < 0.05, ** P < 0.01 and *** P < 0.0001.
