presentation
[prez″en-ta´shun]that part of the fetus lying over the pelvic inlet; the presenting body part of the fetus. See also position and lie.
breech presentation presentation of the fetal buttocks, knees, or feet in labor; the feet may be alongside the buttocks (complete breech presentation); the legs may be extended against the trunk and the feet lying against the face (frank breech presentation); or one or both feet or knees may be prolapsed into the maternal vagina (incomplete breech presentation).
Breech presentation. From McKinney et al., 2000.
antigen presentation presentation of ingested antigens on the surface of macrophages near histocompatibility antigens; see also antigen presentation.
cephalic presentation presentation of any part of the fetal head in labor, whether the vertex, face, or brow.
compound presentation prolapse of one of the limbs of the fetus alongside the head in cephalic presentation or of one or both arms alongside a presenting breech at the beginning of labor.
footling presentation presentation of the fetus with one foot (single footling) or two feet (double footling) prolapsed into the maternal vagina.
funic presentation presentation of the umbilical cord in labor.
placental presentation placenta praevia.
shoulder presentation presentation with the fetal shoulder as the presenting part; see oblique lie and transverse lie.
transverse presentation transverse lie.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
shoul·der pre·sen·ta·tion
transverse presentation with the shoulder as the presenting part.
Synonym(s): acromion presentation
Farlex Partner Medical Dictionary © Farlex 2012
shoulder presentation
A malposition that occurs during delivery in which the baby is in transverse lie across the uterus and perpendicular to the mother’s vertebral column. Shoulder presentation is easy to diagnose and difficult to delivery vaginally, with the occasional exception of a shoulder-presenting second twin, for which an internal version may be successful and the second twin delivered in a breech position.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
shoulder presentation
Obstetrics A rare presenting position during delivery, which occurs when the baby lies in transverse position, across the uterus; SP is easily diagnosed and virtually impossible to delivery vaginally. See Cesarean section, Presentation.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
shoul·der pre·sen·ta·tion
(shōl'dĕr prez'ĕn-tā'shŭn)Transverse presentation with the shoulder as the presenting part.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012