Key result
Spiral artery remodeling follows a four-step pathway enabling maternal-fetal perfusion during pregnancy.
Why the study?
The transformation of spiral arteries during pregnancy is a complex process critical for fetal blood supply and underpins Doppler ultrasound studies at the fetomaternal interface.
Highlights potential targets in placentation disorders; leaves open clinical translation to maternal cardiovascular outcomes.
Spiral arteries are the main arteries supplying the fetus during pregnancy.The secretion of Vascular Endothelial Growth Factor from the maternal decidua leads to the transformation of these vessels from high impedance vessels to capacitance vessels.Subsequently, there is trophoblastic proliferation and incorporation of fetal trophoblast cells into the maternal spiral arteriolar wall.This transformation is a fascinating series of events and forms the basis of intense Doppler ultrasound studies at the fetomaternal interphase.
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Nidhi Sharma (2017) conducted a review in Pregnancy. Spiral artery remodeling in pregnancy is a four-step physiological process involving decidua-associated changes, trophoblastic invasion, and reendothelialization to support fetal development.
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