What is biprietal diameter? & how to calculate it?
Answers
Biparietal diameter (BPD) is one of the basic biometric parameters used to assess fetal size.
BPD together with head circumference (HC), abdominal circumference (AC), and femur length (FL) are computed to produce an estimate of fetal weight. In the second trimester this may be extrapolated to an estimate of gestational age and an estimated due date (EDD).
Measurement technique
The BPD should be measured on an axial plane that traverses the thalami, and cavum septum pellucidum. The transducer must be perpendicular to the central axis of the head, and thus the hemispheres and calvaria should appear symmetric.
The callipers should be placed at the:
outer edge of the near calvarial wall
inner edge of the far calvarial wall
The cerebellar hemispheres should not be in the plane of the image
Hey mate your answer iss
Biparietal diameter (BPD) is one of the basic biometric parameters used to assess fetal size. BPD together with head circumference (HC), abdominal circumference (AC), and femur length (FL) are computed to produce an estimate of fetal weight.
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