vasa previa

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Related to Vasa praevia: placenta previa, Amniotic fluid embolism

va·sa pre·vi·a

umbilical vessels presenting in advance of the fetal head, usually traversing the membranes and crossing the internal uterine os.

va·sa pre·vi·a

(vā'să prē'vē-ă)
Umbilical vessels presenting in advance of the fetal head, usually traversing the membranes and crossing the internal cervical os.

vasa previa

, vasa praevia
The blood vessels of the umbilical cord presenting before the fetus.
See also: vasa
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References in periodicals archive ?
The cost-effectiveness of targeted or universal screening for vasa praevia at 18-20 weeks of gestation in Ontario.
My advice to pregnant women would be take the time to visit the Vasa Praevia website and make yourself aware of the high-risk groups - that information really could save your baby's life," said Sharon.
The only consolation is that something positive can come from our daughter's death, and that by spreading awareness of Vasa Praevia, other babies can be saved.
On August 10 this year - which would have been Freya's first birthday - Simon will be taking on a shark dive at the Blue Planet Aquarium in Ellesmere Port, to raise money for UK Vasa Praevia.
Vasa praevia is a condition which means the foetal blood vessels, vital to the survival of the baby, lay across the opening of Carol's womb, right underneath Rebecca.