sacrotransverse (ST) position

sa·cro·trans·verse (ST) po·si·tion

(sā'krō-trans-vĕrs' pŏ-zish'ŏn)
A breech presentation of the fetus with its sacrum pointing to the right (right sacrotransverse, RST) or to the left (left sacrotransverse, LST) sacroiliac articulation of the mother.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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