YWHAB and fetal growth restriction: Further investigating the miRNA-mRNA regulatory network in IUGR testes, we identified that ssc-miR-23a, ssc-miR-29c, ssc-miR-324, and ssc-miR-193a-3 bind to proliferation marker genes YWHAZ, YWHAB, and PPP2CA with binding free energies all below −20 kcal/mol.