This is a sonogram demonstrating CRL of an 8 weeks fetus. The arrow in the field points to which of the following?
Correct Answer: Yolk sac
Description: The above USG image shows Anaechoic (black) gestational sac with an embryo and yolk sac (arrow). The yolk sac is seen as a small well-defined anaechoic structure in side the Gestational sac.Presence of yolk sac or fetal pole within the gestation sac confirms pregnancy. Double decidua sign of the gestational sac is due to the interface between the decidua and the chorion, which appears as two distinct layers of the wall of the gestation sac.
Category:
Radiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now