Don't let that discourage you so quickly. It's not always easy to find someone who has experience in diagnosing adult women, but it is possible. Of course you should contact facility C as the next step, and, depending on the outcome, look for other facilities in other cities or regions nearby. I know it can be a very grueling process, but the outcome is probably worth it. Maybe you can get someone to help you contact facilities? I know it can be terribly discouraging to be told no over and over again. Keep researching, good luck, and of course feel free to post your next update.