What does the pain of hydronephrosis feel like? I think I am finally feeling the pain. It feels like my kidney is being twisted. It happens when I inhale deeply or turn on my sides. I am 12 weeks pregnant.

Need to see your MD. You may have urinary infection which is more likely in the kidney, to attribute your symptoms, you may not have obstruction (which causes hydro.. ) is less likely. See your doctor for exam, urine culture, sonogram and possible rx antibiotics.