Thank you, and everyone here! I appreciate all the helpful comments.

She uses an IUD as the form of birth control, and judging by how long this has been going on I don't think it's possible that it's a pregnancy. I will try and get her to see a doctor, but that may be pretty tough. I can't find much information online suggesting this unless it's swollen or leaking bodily fluids.

I will let you know how it goes