孕妇,32岁,在家阴道有液体流出,无腹痛,到医院医生诊断为胎膜早破,孕妇下床小便,护士发现脐带脱垂,必须采取的措施是( )。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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