(p)sEV	(placental) small extracellular vesicle
C19	chromosome 19
PLAP	placental alkaline phosphatase
PBS	phosphate-buffered saline
TEM	transmission electron microscopy
NTA	nanoparticle tracking analysis
BCA	bicinchoninic acid
NP-40	nonidet P-40
OCCU	obstetric critical care unit
HELLP	haemolysis, elevated liver enzymes and low platelet count
CSF	cerebrospinal fluid
BBB	blood-brain barrier