Abdominal pain on the next lower abdominal area goes all the way around from my hip to my back, can…

Abdominal pain on the next lower abdominal area goes all the way around from my hip to my back, can get up and do anything for no longer then 5 min without me having to sit down cause I’m hurting smh, all this happened after I had sex 🤦‍♀️ I just don’t just don’t understand