Karnataka PGET Obstetrics MCQ Answer 8
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Pathologic retraction ring / Bandl’s ring – marked stretching and thinning of the lower uterine segment. It occur at any stage of labor. When it occurs during the 1st stage, it is the result of uncoordinated contraction. During 2nd stage, it is caused by obstetric manipulation. During 3rd stage, it is the result of administration of oxytocin.
During an obstructed labour the uterus cannot empty, so the thinned lower segment elongates . Sometimes a palpable ring (Bandl's ring) forms between the upper and lower segments. You may sometimes see or feel three distinct abdominal swellings:
(1) the bladder,
(2) the lower segment,
(3) the upper segment.
Bandl's ring separates the lower and the upper segments.
Tags: MCQ, Obstetrics, Bandl's Ring
Category: Karnataka PGET 2007 MCQs
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