Multiple Choice
The embryo is sonographically visible with transvaginal scanning
A) as early as 3 to 4 weeks of gestational age (GA) .
B) when it retreats from the amnion.
C) at 5 to 6 weeks GA.
D) after obliteration of the chorionic cavity.
Correct Answer:

Verified
Correct Answer:
Verified
Q18: On a short axis view, the umbilical
Q19: Progesterone is produced by the<br>A) uterus.<br>B) pituitary
Q20: Gestational age determined by the size of
Q21: The fluid-filled _ cavity appears slightly hyperechoic
Q22: The corpus luteum<br>A) may become enlarged and
Q24: The chorionic frondosum eventually becomes the:<br>A) amniotic
Q25: The secondary yolk sac can<br>A) be bigger
Q26: The gestational age in days is calculated
Q27: What is the first structure identified within
Q28: The embryo's sonographic appearance is<br>A) echogenic.<br>B) anechoic.<br>C)