Exercises improve blood circulation in the body and, in turn, ensure a better functioning of the internal organs. The menstrual cycle in women is governed by hormones, and by doing specific exercises, you can expect to have immediate periods. The exercises, which are said to have triggered the menstrual cycle, are also included. Exercising can result in irregular or postponed periods; this is particularly true among athletes and gymnasts who train hard several hours a day. The way the body responds to an exercise varies from person to person, and therefore the results of the exercises can also vary. Intense and vigorous exercise often leads to immediate periods, but it can also delay time or even stop periods.