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. 2021 May 25;9:633180. doi: 10.3389/fcell.2021.633180

FIGURE 3.

FIGURE 3

Effect of uterine fibroids (UFs) on heavy menstrual bleeding. The presence of UFs causes alterations in the endometrial vascular architecture and function, contributing to increased and prolonged menstrual bleeding. UFs influence the production of angiogenic factors such as VEGF, VEGFA, ET-1, EGF, and PDGF, among others, which support increased angiogenesis. EGF, epidermal growth factor; ET-1, endothelin 1; PDGF, platelet-derived growth factor; VEGF, vascular endothelial growth factor; VEGFA, vascular endothelial growth factor A.