This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
Which of the following statement is true about vasa pre 
Select and explain. 
A. Seen in 1:1500 pregnancies, B. Moality rate is 20% if left undiagnosed, C. Associated with low-lying placenta, D. Cesarean section is indicated
D: Cesarean section is indicated
Answer: D: Cesarean section is indicated 
Explanation: 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.