No period for 3 months?

I could be pregnant but every pregnancy test I took was negative. No symtoms of any kind. I went to the doctors and got tested for a lot of things. I won't be able to find out until Wednesday... been so anxious... has this happening to anyone or someone you know? If so what was it?
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1 y
All the tests came back 100% normal. The doctor said I'm perfectly healthy, he said it could possibly be due to stress, climate change. adapting to a new province... Still no period I'm upset it's not a pregnancy... I have no symptoms of any sort... I'm starting to think it's the covid vaccine
No period for 3 months?
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