You'd have to make sure you were getting a proper sample, and keep it from being contaminated, and find the appropriate lab to send it too, and pay the lab fees, and then know how to read the results. Some of this can be done alone, some of it requires training. Primarily collecting the sample. Do you even know what you're supposed to be looking at? Probably not.

Gynos are scary, but they're also trained professionals who's job is to secure your health. You wouldn't try to give yourself a stress test or a check up in place of going to your family doctor. Millions of people are terrified of the doctor's office, but we don't send them kits to diagnose themselves.

Many places have multiple practicing doctors. You can always call ahead and ask if there is a female doctor available. If not, ask if they know a practice that does have a female doctor. Some tests can be done by a nurse. If you're nervous or scared, then ask questions. Ask as many as you feel you need to. Explain your anxiety to the doctor. You won't be the first frightened woman they've had to work with.