cleidotomy

Cutting the clavicle of a dead fetus to effect a vaginal delivery. [cleido- + -tomy]

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clei·dot·o·my klī-'dät-ə-mē n, pl -o·mies surgical division of the clavicles to effect delivery of a fetus with broad shoulders

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clei·dot·o·my (kli-dotґə-me) [cleido- + -tomy] surgical division of the clavicle of a dead fetus to facilitate passage of the shoulders through the birth canal.