Fig. 1

Characterization of extracellular vesicles extracted from FF patients in the Control and PCOS groups. A TEM image of isolated extracellular vesicles. B Western blotting of extracellular vesicle surface markers CD9 and CD63. C NTA vision map. D Extracellular vesicle concentration in FF (the number of particles per milliliter of FF). E Particle diameter of FF extracellular vesicles (diameter/nm)