Girls, can you tell me what kind of sensations it is when ligaments st…

Girls, can you tell me what kind of sensations it is when ligaments stretch and hurt? The second day after birth my sides hurt badly, and my waist too. But I had back pain even before pregnancy. The doctor says that for all kinds of pains they don't answer. If you want, call an ambulance, put them in a hospital. But with such a situation, I don't really want to lie down, I might get something else... Please describe at least roughly