Question 64 · LEK · Determination of gestational age and due date

In the ultrasound examination of the fetus performed between the 11th and 13th week of pregnancy, the most accurate method of assessing the duration of pregnancy is the measurement of:

  1. A. biparietal diameter (BPD).
  2. B. femur length (FL).
  3. C. abdominal circumference (AC).
  4. D. crown-rump length (CRL).
  5. E. gestational sac diameter.
Hint

Choose the measurement of the whole fetus taken in the mid-sagittal plane during the first trimester.

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