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Biparietal Diameter

Purpose:

To correlate fetal ultrasound measurements with those predicted for menstrual age assuming normal development.

Specialty:

Nephrology, Urology, Obstetrics & Gynecology, Pedatrics, Genetics
Nephrology, Urology, Obstetrics & Gynecology, Pedatrics, Genetics

Objective:

imaging studies

ICD-10:

P05-P08

Description:

The biparietal diameter (width of cranium from parietal to parietal lobes) is measured from a transverse plane through the skull at the level of the thalamus and cavum septi pellucidi, calculating the distance from the external surface of the cranial side near the transducer to the internal surface of the cranial side away from the transducer.

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