Abstract
IN late pregnancy, uterine blood flow (UBF) has increased by as much as thirty- to forty-fold1 and uterine vascular reactivity to vasoconstrictor hormones and adrenergic nerve stimulation has decreased2,3. For example, angiotensin II increases blood flow to the gravid uterus3,4, an uncommon response to this agent which is the most potent vasoconstrictor hormone5. Prostaglandins of the E series (PGE) have been reported to maintain some regional blood flows6,7 and to modulate the vasoconstrictor activity of angiotensin II and noradrenaline8,9. In view of the findings that the uterus synthesises prostaglandins10,11, we have investigated the possible participation of locally synthesised prostaglandins in the regulation of blood flow and vascular reactivity of the gravid uterus.
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TERRAGNO, N., TERRAGNO, D., PACHOLCZYK, D. et al. Prostaglandins and the regulation of uterine blood flow in pregnancy. Nature 249, 57–58 (1974). https://doi.org/10.1038/249057a0
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DOI: https://doi.org/10.1038/249057a0
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