Is sex always supposed to hurt?

Jailyn

So I've noticed that penetration always hurts for me. No matter if it's my fingers or a dick it always hurts. I've had sex a few times and the last time I had it I was shaking from how bad the pain was. I've been tested for stds and I'm all clean. Could it be from trauma? I was molested for most of my childhood. The only time I feel like pleasure from anything sexual is from mainly my clit. Is this normal?