Look up: Vasa Previa

1. Vasa previa
   Vasa previa: A condition in which blood vessels within the placenta or the umbilical cord are trapped between the fetus and the opening to the birth canal, a situation that carries a high risk the fetus may die from hemorrhage due to a blood vessel tearing at the time the fetal membranes rupture or ...
   Found on http://www.medterms.com/script/main/art.
   
   
2. vasa previa
   The umbilical cord vessels come before the foetal head during delivery. ... (12 Dec 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
3. Vasa Previa
   An uncommon condition in which the fetal blood vessels traverse the amniotic sac across the lower segment of the uterus between the baby and the cervical opening. Because the fetus's vessels become pinched off as they are compressed between the baby and the walls of the birth canal, total blood loss occurs and fetal death is common.
   Found on http://www.pregnology.com/AZ/V/2
   
   
4. vasa previa
   Type: Term Definitions: 1. umbilical vessels presenting in advance of the fetal head, usually traversing the membranes and crossing the internal uterine os.
   Found on http://www.medilexicon.com/medicaldictio