Has she been eating and drinking? You don’t have to drain her belly. I usually don’t but it is a way of knowing if it is water belly or not. If you get up yellow fluid with a needle and large syringe, that is water belly. If you get nothing, then it is unknown. She can have water and food, sugar...
A swollen lower belly could be ascites fluid (water belly) or a reproductive disorder, such as salpingitis, cancer, or infection. Does it feel like fluid or a solid mass? Ascites can cause labored breathing. It is related to reproductive disorders, cancer, and sometimes fatty liver. Draining...