Hear, Hear!! Please make sure she sees a Dr. a good OB/GYN asap. She should have a yearly checkup at any rate. You are a good friend to try to find help for her, but the only place she should get medical advice is from a Doctor.
I thought I was being pretty discrete about her identity, but your right, going to see a doctor was the first thing I said to her and I guess thats what she had in mind but I care about her a lot and was really concerned. It's probably nothing, I just cant help but worry until every things officially cool.
All these, and, some girls just don't get it regularly at all. But, yeah, ask a real doctor. It's probably nothing serious, though.