What measuring tool for due date estimation is effective at young gestational age as a result of size variability being minimal

Question

Quizplus · Accepted Answer

Crown-rump length is the best choice for due date estimation at young gestational age because size variability is minimal at this stage. Biparietal diameter, transverse diameter of the head, and head circumference are more useful later on in the pregnancy when the baby's head has grown and developed more.

What Measuring Tool for Due Date Estimation Is Effective at Young