Urinary incontinence and, less commonly, fecal incontinence, plague some new mothers shortly after giving birth. The inadvertent passage of urine, especially when laughing, coughing or straining, usually is caused by the stretching of the base of the bladder during pregnancy and delivery.
Best Answer: The focus of an earthquake is the point beneath Earth's surface where rock breaks under stress and the plates shift and that is what causes the earthquake. An earthquake is when the surface of the earth is shaking because of rapid movement of the rocky outer layer of the earth.
Earthquake Focus Learn where the focus and epicenter of an earthquake are located and exactly what they are? Haiti Earthquake The devastating Haiti earthquake occurred in a region prone to large earthquakes. Find out why these large earthquakes occur. What Causes Earthquakes.