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[单选题]
妊娠合并心脏病的孕妇最危险的时期是(1分.)()
A.妊娠24-27周
B.妊娠28-31周
C.妊娠32-34周
D.妊娠35-38周
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A、妊娠24-27周
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A.妊娠24-27周
B.妊娠28-31周
C.妊娠32-34周
D.妊娠35-38周
A、妊娠24-27周
某孕妇,37岁。孕31周,因妊娠合并心脏病收治人院,心功能Ⅱ级。妊娠合并心脏病孕妇在妊娠期易发生心力衰竭的时间是()
A.孕24~26周
B.孕32~34周
C.孕35~36周
D.孕38~39周
E.孕40~42周