An unexpected pee leakage, complete with discomfort and embarrassment, is hardly funny or amusing. So, if you've ever suddenly found yourself peeing a little during a HIIT or Zumba session, you might wonder what's going on and if it's normal.

What causes urine leakage during exercise?

Stress urinary incontinence (SUI) is the official term for this type of bladder leakage, and can happen to adult women of all ages. Though more common as a result of pregnancy, childbirth, surgery or other medical conditions (like radiation treatments, a hysterectomy or other pelvic surgeries), female stress incontinence is caused by just about anything that puts pressure on your bladder and pelvic floor, including heavy lifting, sneezing, coughing, sex or—you guessed it—exercise.

The two primary causes of SUI, according to the National Association For Continence (NAFC), are a weak sphincter muscle (the muscle around the urethra that holds it