Breast pain

Sidney • 21 yrs old. Student and waitress. Follow me on Instagram(sidneeeeyk) or add me on snapchat (sidneykristian) 💋💕
At random times I get really sharp pains in my boobs..it's happened to both boobs so it's not just one..it feels as if I'm pulling a muscle but it's very bad. One time it was to the point where I couldn't even move my arm..what do you think this is? Should I get a mammogram?