题目内容
我国通常使用的围生期是指
2021-10-11
A.自受孕至生后脐带结扎
B.从孕期满28周至生后7天
C.自出生挤带结扎开始至生后7天
D.自出生脐带结扎开始至生后28天
E.自出生脐带结扎开始至生后满1个月
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