<prompt> Which of the following is true about vasa pre except?Incidence is 1:1500Moality rate of 20 with undiagnosed caseAssociated with low lying placentaCesarean section is indicated  <response>: When the fetal vessels in the membrane cross the region of internal os and are ahead of the presenting pa,the condition is called vasa prae.An Apt test or Singer;s alkali denaturation test can be performed to confirm a fetal bleed and thereby vasa prae refer pgno:138 sheila textbook of obstetrics 2 nd edition 