Excerpt from Face Presentation Synonyms, Key Words, and Related Terms: malpresentation, contracted pelvis, cephalopelvic disproportion, anencephaly, fetal malformation, Leopold maneuvers, Thom maneuver Please click here to view the full topic text: Face Presentation In a face presentation, the fetal head and neck are hyperextended, causing the occiput to come in contact with the upper back of the fetus while lying in a longitudinal axis. The presenting portion of the fetus is the fetal face between the orbital ridges and the chin. The fetal chin (mentum) is the point designated for reference during a vaginal examination. The mentum can present in any position relative to the maternal pelvis. If the mentum presents in the left anterior quadrant of the maternal pelvis, it is designated as left mentum anterior (LMA). Please click here to view the full topic text: Face Presentation

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