Pubiotomy

Pubiotomy was a medical procedure where the pelvic bone was cut in two places, on either side of the pubic symphysis joint,[1] in order to widen the pelvis during obstructed labour.

By 1922, it was considered outdated and C-section preferable.

[2] Gigli saw was invented to perform this procedure.

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X-ray of a woman's pelvis after a pubiotomy, circa 1908. Two gaps where the pelvic bone was cut are visible.