Presentation of a part of a fetus other than the back of the head during parturition.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for malpresentation
Historical Examples of malpresentation
If there is malpresentation of the fetus it will hinder progress until rectified, as in difficult parturition.
Then, if the ear can be reached, the correction of the malpresentation may be attempted as above described.