What could be the causes of incontinence of urine in a women?

Weak pelvic floor: Muscular support allowing stress urinary incontinence causes wetting with coughing, sneezing etc), which can increase after childbirth or after menopause when ovaries stop producing estrogen and bladder neck and urethral lining thins out. Cystocele where bladder tends to prolapse into vagina. Uterine prolapse. Fistula between bladder and vagina. Many women are incontinent with urinary infections.