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单项选择题卵巢早衰是指

A、年龄<45岁,FSH>501U/L

B、年龄<40岁,FSH>501U/L

C、FSH>401U/L

D、年龄<40岁,FSH>401U/L

E、年龄<45岁,FSH>401U/L

  • D
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