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What is Which of the following is NOT true regarding Vasa Pre? and explain in detail?
Vasa pre: This finding is associated with velamentous inseion when some of the fetal vessels in the membranes cross the region of the cervical os below the presenting fetal pa. Marginal cord inseions and bilobed or succenturiate-lobed placentas are also associated with vasa pre. Color Doppler is the investigation of choice. With vasa pre, there is considerable potential fetal danger because membrane rupture may be accompanied by tearing of a fetal vessel. This is a/w very high perinatal moality as there is exclusive fetal blood loss. Low-lying placenta is a risk factor in 80% of cases. Patients of vasa pre should be delivered by elective LSCS. The Apt test is a medical test used to differentiate maternal and fetal blood. A positive test would indicate that blood is of fetal origin, and could be due to vasa pre. A negative test indicates that the blood is of maternal origin. In practice, the Apt test is almost never done when there is bleeding PV and a suspicion of vasa pre, because the time to fetal collapse with bleeding from vasa pre is often very sho.