Hurts inside to sit?? SOS

unknown

I got sudden pain in my uterus area. Top of groin but not pelvic line INSIDE. Aching all the way up to the top of the uterus . Pain was so sudden and idk why, 😩 but it also hurt up in the middle of my uterus or cervix or something when I sit down ! It hurts up in there to sit and gets a pain .. anybody have experience with this??