Medical

bisacromial diameter

bisacromial diameter

the distance between the outermost points of the fetal shoulders.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive
Mariana's clinical pearl is that the delivering clinician should be seated, carefully observe the delivery of the shoulders, and facilitate fetal shrugging by gently reducing the bisacromial diameter as the posterior shoulder transitions over the perineal body.
(7) The delivery of the posterior arm reduces the presenting fetal diameter from the larger bisacromial diameter to the smaller axillo acromial diameter.
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