Wiktionary
malpresentation
n. An abnormal positioning of a fetus at the time of delivery
Usage examples of "malpresentation".
It is a case of malpresentation upon the plane of death, and skilled care is needed to restore normality.
Benesch points out that in order to correct many malpresentations it is necessary to apply traction and repulsion at the same time, and to do that with one hand in a straining cow is impossible.