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怀孕末期检测GBS(Group B Streptococcus / B型链球菌)的重要性

GBS Test

B型链球菌(GBS)是一种寄居在妇女阴道和直肠中的细菌,在大多数的情况下它是无害的,但是当怀孕的妇女感染GBS时会在分娩的时候传染给新生儿,这是造成新生儿感染和死亡的重要原因之一。受感染的新生儿有高达4-6%的致死率。GBS会引起严重的肺部感染,又因新生儿免疫力尚未成熟而容易造成全身性的败血症,如果感染至脑部会引起细菌性脑膜炎,即使治愈也会有神经方面的后遗症,如脑性麻痹,癫痫和智能障碍等。

在美国,妇女怀孕35-37周医生都会建议做GBS的筛查,检查方式是使用棉棒伸入阴道口和肛门直肠部位采集检体,如果检测出是阳性,在分娩的时候会通过静脉给予孕妇抗生素,此时注射抗生素可以预防大多数新生儿因感染GBS的早发性疾病。

Author
Victoria Want - Clinical Consultant at Capri Medical Group Victoria Wang Clinical Consultant

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