Placental developmentPlacental vasculatureTrophoblast stem cellExtravillous trophoblastSpiral artery remodellingFetal growth restrictionMESENCHYMAL STROMAL CELLSFETAL-GROWTH RESTRICTIONLOW SHEAR-STRESSRNA-SEQ REVEALSEXTRAVILLOUS TROPHOBLAST1ST TRIMESTEREARLY-PREGNANCYINTERVILLOUS SPACEENDOTHELIAL-CELLSBLOOD-FLOW