TMI!!!!!!!

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Okay so my boobs started growing in the middle of 4th and 5th grade. And stopped in 7th. Like I've been the same size sense 7th grade and my boobs are already big and my bf just pointed out that they are getting a tiny bit bigger. And along with that they have been painful and I feel like I'm having cramps but no period. I don't know what's going on.