<prompt> USG examination of a 28-week pregnant primigravida shows vasa pre. All of the following are true, EXCEPT:Incidence is 1:1500Fetal moality rate of 20 with undiagnosed caseAssociated with low lying placentaCaesarian section is indicated  <response>: Vasa pre is a condition in which fetal vessels traverse the membranes in the lower uterine segment, crossing over the cervical os on front of the fetal head. Vasa pre complicates approximately 1 in 1000 to 1 in 5000 pregnancies. Perinatal moality ranges from 30 to 100. The appropriate course of action is to deliver immediately caesarean section to prevent impending fetal demise. Ref: Wagner S.A. 2013. Chapter 18. Third-Trimester Vaginal Bleeding. In A.H. DeCherney, L. Nathan, N. Laufer, A.S. Roman Eds, CURRENT Diagnosis Treatment: Obstetrics Gynecology, 11e. 