Also known as atony of uterus
loss of tone in the uterine musculature. Normally, contraction of the uterine muscles during labor compresses the blood vessels and reduces flow, thereby increasing the likelihood of coagulation and preventing hemorrhage
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子宮乏力(英語:Uterine atony)是指子宮肌失去張力的現象。正常時,子宮肌收縮時會壓縮血管及減緩血流,這增加了凝結及防止失血的可能性。因此缺乏子宮肌的收縮會導致嚴重的出血。子宮在產後無法收縮是常見的分娩出血起因。許多產後出血的病例,在產前就能預測得出。婦女在分娩時,出現子宮活動特別猛烈或幾乎難以發揮效用等特徵時,亦可能基於產後子宮無力而引發大量出血。同樣地,以催產素引產,較可能在產後形成子宮無力與出血。多產婦女發生子宮無力的風險可能較高。臨床上,75-80%的產後出血是由於子宮乏力所造成。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).