Female urinary leakage may be caused by pregnancy and other reasons, but the possibility of suffering from stress urinary incontinence or diabetes can not be ruled out. 1. pregnancy: women during pregnancy, especially late pregnancy, due to the oversized fetus pressure on the bladder, at the same time, women’s body hormone level changes, can cause stress urinary incontinence. 2. Stress urinary incontinence: stress urinary incontinence is the leakage of urine caused by increased abdominal pressure, most common in women who have given birth and elderly women, the etiology of which is related to pelvic floor muscle relaxation, surgical injuries and so on. 3. Diabetes mellitus: Diabetes mellitus is a group of metabolic diseases characterized by a chronic increase in blood glucose levels, the cause of which is related to genetics, the environment, and defects in the autoimmune system. Patients will have three more and one less symptoms, such as drinking, eating, urinating and weight loss, and some female patients will have urinary incontinence. Urine leakage in women is not necessarily caused by diseases, if accompanied by other uncomfortable symptoms, it is recommended to consult a doctor for examination.