Which of the following is true about vasa pre except?: (A) Incidence is 1:1500, (B) Moality rate of 20% with undiagnosed case, (C) Associated with low lying placenta, (D) Cesarean section is indicated
Answer is B. 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)