A 70-year-old woman complains of leakage of urine in small amounts. This occurs when laughing or coughing. It has also occurred while bending or exercising. The patient has five children who are concerned about her urinary problems. Which is the most likely type of urinary incontinence.

**Core Concept**
Urge incontinence, stress incontinence, and overflow incontinence are the primary types of urinary incontinence, each with distinct underlying pathophysiology. The patient's symptoms, including leakage with laughter, coughing, bending, or exercising, are characteristic of a specific type of incontinence.

**Why the Correct Answer is Right**
The patient's symptoms are typical of stress urinary incontinence (SUI), which occurs due to the involuntary leakage of urine on effort or exertion, or on sneezing or coughing. This type of incontinence is often related to weakened pelvic floor muscles, often due to childbirth, and can be exacerbated by activities that increase abdominal pressure, such as laughing, coughing, or bending.

**Why Each Wrong Option is Incorrect**
* **Option A:** Urge incontinence is characterized by a sudden, intense desire to urinate, often accompanied by urgency and frequency. The patient's symptoms do not align with this type of incontinence.
* **Option B:** Overflow incontinence typically occurs in patients with urinary retention, where the bladder is not fully emptied, leading to constant dribbling of urine. The patient's symptoms do not suggest this type of incontinence.
* **Option C:** Functional incontinence refers to the inability to reach the toilet in time due to a physical or psychological impairment. The patient's symptoms suggest a more mechanical issue, rather than a functional one.

**Clinical Pearl / High-Yield Fact**
Stress urinary incontinence is a common condition, especially in postmenopausal women, and is often associated with weakened pelvic floor muscles. Pelvic floor exercises, such as Kegel exercises, can help improve muscle strength and reduce symptoms.

**Correct Answer:** C.

✓ Correct Answer: A. Stress incontinence