CPD is best assessed by
Correct Answer: Pelvic assessment
Description: Methods of assesment of Pelvis
Clinically
Imaging studies
Clinical Pelvimetry :
Done manually
Can be done beyond 37th week, better done after onset of labour
Following are to be observed
Sacrum
Sacrosciatic notch
Iscial spines
Side walls
Pubic arch
Pubic angle
Transverse diameter of outlet
Imaging :
X-ray pelvimetry
USG
CT
MRI
X-ray pelvimetry :
Limited value in diagnosis
Can only assess size and shape of pelvis
Useful in cases with pelvic fractures
Disadvantage : Radiation exposure to both mother and foetus (885 milirad)
Erect lateral view
CT
Easier to perform
Radiation exposure(45-425milirad)
More accurate
MRI
More accurate to assess bony pelvis
Assess pelvic capacity in different planes
Assess foetal size and head volume, pelvic soft tissues
No radiation risk
Expensive,limited availability, more time taking
USG :
Accurately measures the biparietal diameter
Category:
Gynaecology & Obstetrics
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