"It is basically a uterus which loses its elasticity and may tend to fall outside the normal orifices. So here it is that along with the musculature which gets weakening, generally related to old age or very difficult deliveries, or a very difficult or prolonged labor the chances are that the uterus may come down and as a result you may feel a pressure while either passing motions or even urine. If any of these symptoms are there, you should be visiting your gynecologist and taking the necessary steps and treatment for the same. What you could do it before you visit the doctor is to do regular pelvic floor musculature exercises which are also called as Kegels exercises"