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Question 1

What is the triad of vasa previa?

Answer 1

Membrane rupture,
painless vaginal bleeding and
fetal bradycardia or death

Question 2

Fetal vessels overlying the cervix

Answer 2

Vasa previa

Question 3

Risk factors of vasa Previa

Answer 3

Placenta previa
• Multiple gestations
• In vitro fertilization
, Succenturiate placental lobe

Question 4

Management of vasa previa

Answer 4

Emergency cesarean delivery

Question 5

Normal fetal vessels travel in the umbilical cord surrounded by………… that protects them. In contrast, vasa previa is an aberrant condition in which the fetal vessels overlie the cervix, surrounded only by thin………… , making them prone to tear with rupture of membranes or contractions

Answer 5

thick, gelatinous tissue (ie, Wharton jelly)

fetal membranes

Question 6

Vasa previa is typically diagnosed on fetal anatomy ultrasound at……… weeks and managed with planned cesarean delivery at weeks gestation (ie, prior to spontaneous labor).

Answer 6

18-20

34-35