In fact, there is not really gas in the uterus, but the gas in the vagina is expelled from the body. If a woman has a vaginal laceration and it is not treated in time, air will enter the vagina, resulting in a feeling of gas in the uterus and total exhaust; 3. In women with poor health, the pelvic floor muscles are not full, which will make the front and back walls of the vagina not fit together, and air will enter the vagina, resulting in a feeling of vaginal exhaust. The air will enter in the vagina and produce vaginal exhaust, like the feeling of having gas in the uterus and the symptom of total vaginal exhaust.