The Role of Vascular Endothelial Growth Factor (VEGF) in the Pathogenesis of the Placenta Accreta Spectrum
Keywords:Placenta Accreta Spectrum, PAS, angiogenesis, VEGF, FIGO 202
Placenta accreta spectrum (PAS) is a cause of serious maternal morbidity and mortality. FIGO 2020 designated PAS
into grade 1 (non-invasive), grade 2 (superficial invasion), grade 3A (deep invasion), grade 3D (deep invasion with
disruption of the serosa), and grade 3E (deep invasion with adherence to extrauterine structures). Currently, the
trophoblast cell in accreta spectrum is associated with similar characteristics to cancer. Both conditions can induce
angiogenesis, marked by upregulation of vascular endothelial growth factor (VEGF). This resulted in the formation of
extensive neovascularization. The secretion of VEGF is induced by hypoxia, which was related to risk factor of PAS
occurrence; defect of the decidua due to endometrial tissue damage.
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