First, I'm not too sure about the wisdom of signing onto a tanning website to get medical advice, unless it was to spam the 2 links in your signature (that will continue to be removed if you put them back.)
You appear to be in Sweden and posting through a server in the Ukraine and talking about a British owned medical facility. But, just in case there is a valid explanation, here are a few places you might want to look for info. Also, the British United Provident Association will have patient oriented material that will be available to you free of charge.
http://www.4woman.gov/faq/fibroids.htm
http://www.mayoclinic.com/health/ute...broids/DS00078
http://www.mayoclinic.com/health/ute...broids/UF99999
http://www.nlm.nih.gov/medlineplus/uterinefibroids.html
http://www.womens-health.co.uk/fibroids.asp
These are some "plain English" websites that are pretty easy to understand. If you want more indepth information do a google search on Leiomyomas, the medical name for uterine fibroid tumors. You will get all the info you need.