1. Pregnancy and childbirth
a. Hormonal changes, especially progesterone, relax the smooth muscles, thus the tone in the bladder and the urethra. Relaxin change the connective tissue during pregnancy thus increasing the joint mobility. During childbirth, there may be injuries to the muscles,fascia or the nerves.
2. Aging and menopause
a. Due to loss of estrogen, which causes a decrease intra-urethral pressure and loss of mucosal vasculature.
3. Pelvic surgery a. Disruption of normal anatomy, pelvic nerve injury, loss of thetissue elasticity and loss of vascular cushion.
4. Medication
a. Loss of urethral tone.
5. Alcohol
a. Increase the urine production and frequency.
6. Caffeine- coffee, tea, cola, chocolates a. Increase the urine production and frequency and the urge to urinate
7. Athletes
a. High impact activity
8. Increased intra abdominal pressures
a. Constipation
b. Chronic chest problems
c. Obesity