In obstetrics, the "'presentation "'of a fetus about to be shoulder presentation.
2.
In the textbook Siegmundin presented a solution to the delivery of a shoulder presentation, in those days often catastrophic situation leading to the death of the baby and potentially the mother.
3.
While a baby can be delivered vaginally when either the head or the feet / buttocks are the leading part, it usually cannot be expected to be delivered successfully with a shoulder presentation unless a cesarean section ( C / S ) is performed.
4.
A "'shoulder presentation "'refers to a malpresentation at childbirth where the baby is in a transverse lie ( its vertebral column is perpendicular to that of the mother ), thus the leading part ( the part that enters first the birth canal ) is an arm, shoulder, or the trunk.
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