Yes, women are more prone to UI than men for several reasons:Anatomical differences: Women's urethras (3-4 cm) are much shorter than men's (18-20 cm), and the bladder neck in a male is supported by the prostate. In women, the sphincter muscles tend to be thinner and smaller, which means any damage to the urethra or sphincter (like during vaginal childbirth) is more likely to cause UI. The pelvic floor muscle layers also vary in thickness with female muscles being on the thinner side. Perimenopausal and menopausal hormone changes: Women generally experience a decrease in estrogen and progesterone during this stage of life. Aside from hot flashes, insomnia and fatigue of menopause, these hormonal changes can contribute to symptoms of urinary urgency, frequency, urge incontinence and nocturia (frequent nighttime urination). Estrogen plays an important role in keeping our muscles well-toned. Declining estrogen levels means thinning of the vaginal and urethral lining and atrophy of the pelvic floor muscles. All of these factors can impact muscle performance and pelvic organ support including the urethra and bladder neck resulting in leakage.Past pregnancies: The more pregnancies, the greater risk a woman has to develop UI, regardless of how the baby is delivered. The risk increases with vaginal delivery, which can stretch or injure muscles, nerves or supportive connective tissue, or when forceps are used to assist in the delivery.