Which of the following is true about gestational age dating of the pregnancy?
A) It is an exact date by Carnegie classification.
B) It is 2 weeks older than the embryo actually is from conception.
C) It is 2 weeks younger than the embryo actually is from conception.
D) It is equivalent to the embryonic age from time of conception.

Question

Quizplus · Accepted Answer

Gestational age dating of a pregnancy is typically 2 weeks older than the actual embryonic age from the time of conception. This is because gestational age is calculated from the first day of the last menstrual period (LMP), not from the date of conception, which usually occurs about 2 weeks later.

Which of the Following Is True About Gestational Age Dating