Vasa praevia

Vasa praevia
Other namesVasa previa
SpecialtyObstetrics

Vasa praevia or vasa previa is a complication of obstetrics in which fetal blood vessels cross or run near the internal opening of the uterus. Since these vessels are not protected by the umbilical cord or placental tissue, the rupture of the fetal membranes during birth causes them also to rupture, leading rapidly to death of the fetus. The term is derived from the Latin; vasa means "vessels" and praevia comes from pre meaning "before" and via meaning "way". In other words, vessels lie before the fetus in the birth canal and in the way.[1]

Risk factors include low-lying placenta and in vitro fertilization.[2] Vasa praevia occurs in about 0.6 per 1,000 pregnancies.[2]

  1. ^ Yasmine Derbala, MD; Frantisek Grochal, MD; Philippe Jeanty, MD (2007). "Vasa previa". Journal of Prenatal Medicine. 1 (1): 2–13.Full text
  2. ^ a b Ruiter, L; Kok, N; Limpens, J; Derks, JB; de Graaf, IM; Mol, B; Pajkrt, E (July 2016). "Incidence of and risk indicators for vasa praevia: a systematic review". BJOG: An International Journal of Obstetrics and Gynaecology. 123 (8): 1278–87. doi:10.1111/1471-0528.13829. PMID 26694639. S2CID 43666201.
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