Shoulder dystocia is one of the scariest experiences for an obstetrician—the baby’s head delivers, but the shoulders get stuck. All the time this is going on, baby’s brain isn’t getting any oxygen, so it’s a ticking time bomb of a matter of minutes before irreversible brain damage occurs. We all train regularly in how to manage this particular emergency. Embedded into our brain stems are all manner of mnemonics to help us through it, and all sorts of physical maneuvers: exerting suprapubic pressure, McRoberts (hyperflexing the legs), Wood’s screw (rotating the baby by its shoulders),
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