Which ultrasound (US)fetal measurement is most accurate for determining fetal age between 12 to 16 weeks?
A) Biparietal diameter (BPD).
B) Fetal femoral length.
C) Crown-to-rump length.
D) Fetal age cannot be determined from any of these US measurements.

Question

Quizplus · Accepted Answer

BPD has its greatest accuracy for determining fetal age between 12 and 16 weeks of gestation.After this the size of the fetal head may be affected by a growth disturbance,which would render the BPD inaccurate.

Which Ultrasound (US)fetal Measurement Is Most Accurate for Determining Fetal