This condition is a congenital anatomic abnormality that causes urine leakage. (countrysidehotsprings.com)
If no known causes are apparent then a more complete workup including CBC / chemistry blood work, as well as ultrasound of the abdomen can be done to look for other abnormalities such as hormonal disorders like Cushing's disease, diabetes, as well as urinary tract anatomic abnormalities, in addition to even polyps or tumors, particularly in older pets. (blog.petmeds.com)
Without seeing Ziva, it is difficult for me to comment on what might be going on with her, and whether it is anything to worry about - it may be a bacterial or viral infection, or an anatomic abnormality that is normal for her. (wagwalking.com)