Leakage of urine after abortion may be caused by the relaxation of the pelvic floor muscles, and may also be caused by inflammatory stimuli. 1. Pelvic floor muscle relaxation: during pregnancy, the uterus will continue to grow, pressing the pelvic floor muscle, resulting in the pelvic floor muscle becomes loose or damaged, and also affect the bladder sphincter, thus leading to leakage, which is a relatively common situation. 2. Inflammatory stimulation: women’s resistance is low after abortion, if the anti-inflammatory is not timely or do not pay attention to the lower body hygiene after abortion, then it is likely that the pathogens will be infected to the urinary system, urinary tract infection occurs, the need for timely anti-inflammatory treatment. Leakage of urine after abortion may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.