Women with a thermometer after coitus to detect a rise in body temperature, it is necessary to judge according to the specifics of the rise in temperature and other accompanying symptoms, if only a slight increase, but not more than 37.5 degrees, often considered to be physiological performance, may be due to the ovarian secretion of progesterone hormone stimulation after ovulation, but also may be the coitus after the combination of sperm and egg to become fertilized eggs, resulting in the body of the hormone progesterone rises It may also be caused by the combination of sperm and egg into a fertilized egg after intercourse, resulting in the rise of progesterone in the body. However, if the temperature rises above 37.5 degrees, we should consider that it may be caused by pelvic infection due to coitus, which is often accompanied by persistent pain in the lower abdomen, and may even be accompanied by abnormal leukorrhea secretions.