Should I go to the gyno?

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I went off of birth control in December. My first three cycles were normal 28 day cycles. My fourth cycle was 32 days and my fifth 39 days. Now I'm on my sixth month since being off and I'm on cycle day 49. I started taking vitex on May 2nd. I've taken HPT's and they come up very negative. I'll attach photos. Should I go to the gyno or is this normal post birth control bodily behavior? 

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