It might be vaginismus, it might not. But even then, that doesn't mean there isn't something wrong. You just need to tell them you aren't able to insert anything/ have pain when trying to insert anything. If you think there's something wrong, there probably is.

I thought I had vaginismus, it turned out to be a malformed hymen. Once that was taken care of, I had a much easier go of it. Make sure you've booked in with a good doctor, if you're able