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Internal monitoring requires
an internal spiral electrode.The membranes must be ruptured, the cervix
dilated to 2 cm or >, the presenting part must be down against the cervix,
and the examiner must recognize which fetal part is presenting (to avoid injury). A sterile spiral
electrode is inserted into vagina against presenting part, & rotated
until it attaches. Provides accurate, continuous movement, with a clearer
signal and minus interruptions d/t maternal or fetal movements.
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