asynclitism
Definition
Noun: 1. An abnormal fetal head position during childbirth: In obstetrics, asynclitism refers to a condition where the baby's head is tilted to one side as it descends through the birth canal, preventing the top of the head (the vertex) from being parallel to the planes of the mother's pelvis. This malpresentation can complicate labor.
Usage Examples
- Noun:
- The midwife suspected asynclitism when the labor failed to progress despite strong contractions.
- An ultrasound can help diagnose fetal asynclitism.
- Mild degrees of asynclitism are common and often correct themselves during labor.
Advanced Usage
- Medical Descriptors: Asynclitism is often described by its direction relative to the mother's spine:
- Anterior asynclitism: The baby's head is tilted toward the mother's front.
- Posterior asynclitism: The baby's head is tilted toward the mother's back.
Variants and Related Words
- Asynclitic (adj): Describing a presentation or position characterized by asynclitism.
- The asynclitic presentation was managed with position changes.
Synonyms
- Oblique presentation (a broader term that can include asynclitism).
- Malpresentation (a general term for any non-optimal fetal position).
Antonyms
- Synclitism (noun): The normal, aligned presentation where the baby's head is parallel to the pelvic planes.
- Vertex presentation (the ideal head-down position for birth).
Noun
-
the presentation during labor of the head of the fetus at an abnormal angle
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