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【单选题】
孕妇,35岁,妊娠40待产,G1P0,子宫颈口开大9cm时胎膜自然破裂,听胎心178次/分钟,立即嘱其左侧卧位,吸氧,遵医嘱静脉注射葡萄胎和维生素C,持续进行胎心电子监护,并做好手术助产的准备,此时注射葡萄胎和维生素C的目的是
A.
增强胎儿对缺氧的耐受性
B.
加强母体和胎儿的营养
C.
增强胎儿的抵抗力
D.
增强母体对缺氧的耐受性
E.
增强母体的抵抗力
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