<prompt> Which of the following statement is true about vasa preSeen in 1:1500 pregnanciesMoality rate is 20 if left undiagnosedAssociated with low-lying placentaCesarean section is indicated  <response>: Vasa pre: Fetal moality is high 50 due to fetal exsanguination Vaginal bleeding is often associated with fetal distress Unsuppoed umbilical vessels lie below the presenting pa Ref: Dutta Obs 9e pg 243. 