I am far from being an expert in the subject but I understand the situation.
Dariana mentioned that she is afraid of fraud. To that affect, I am much more aware. There are charlatans in that fertility business and many women have had painful and costly experiences.
If you really wish to pursue, there are reliable resources. In the US for instance, Celine Dion got pregnant twice, in a NY clinic.
In Canada, some provincial governments offer fertility services, not free to non-citizens, but available to others. There must be some in the UK and France.
Please do not fall for any fertility site on the web. Get references from people in your country and check the results face-to-face and check again for a possible scam.
If you fail because of a scam, you would be devastated.
Good luck to all of you.