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【单选题】
, 26 岁,一直使用短效口服避孕药,现计划妊娠,应当( )
A.
停用避孕药，等待自然怀孕
B.
改用避孕套避孕 3 个月，再怀孕
C.
改用避孕套避孕 4 个月，再怀孕
D.
改用避孕套避孕 6 个月，再怀孕
E.
因漏服避孕药而受孕，可以继续妊娠
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