A patient at 41 weeks gestation is undergoing cervical ripening with a Foley balloon catheter. Which finding indicates the catheter has served its purpose and should be removed?
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A
The patient reports severe cramping
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B
The balloon spontaneously expels or the cervix reaches 3–4 cm dilation
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C
Contractions begin every 5 minutes
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D
The membranes rupture spontaneously