Haven't gotten my period in 8 months?

I haven't had a period in 8 months. Went to the doctors/also different doctors multiple times. Did multiple blood tests and other tests. All results came back normal every single time. (hoping I was pregnant, been trying for almost a year) this has never happened to me before. I haven't been on birth control in years. I have no symptoms of any kind. Nothing at all. Doctors can't figure it out. Help!! Anyone have the same problem?
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Updates
+1 y
Finally got an update... it's Polycystic ovary syndrome... super upset
Haven't gotten my period in 8 months?
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