LHi Stepahanie,
I would indeed follow this up, as you are obviously concerned enough to post about it. I don’t believe that it will "resolve itself".
My son (14) was diagnosed with osteoporosis a year ago, after a couple of broken arms and a couple of crush fractures of his spine.
He has taken Calcium (which has been ceased) and Vitamin D tablets which help to absorb the Calcium. He has also been undertaking biphosphonate infusions with very promising results.
Best of luck, L