 [ Symptoms ] i am 6 days late no periods cramps but negative pregnancy test could i be pregnant [ Disease ] hi my name is mari i am only giving thought to my own exsperiances blood sugars high or low can be effected by just about any kind of stress your body goes threw weather it be a cold pregnant eating bad food over exercising mental stress etc anemia i do not know much about but i know about the weakness and fatigue these two i would imagine would not get along well please becareful eat healthy and monitor your self if you are active