Can Starting Exercise Affect Your Period? Intense exercise can cause changes in the hormones responsible for your menstrual cycle. It can cause you to have breakthrough bleeding when you are not on your period, lighter periods than you normally have, and sometimes, no period at all. 2022.
Can Starting exercise delay your period? Amenorrhea (absence of menstruation) in athletes is called exercise-associated amenorrhea. In athletes, intense training and quick weight loss can affect period. If you suddenly start exercising and working out, you tend to miss your period.
Can exercise interfere with your period? Intense exercise can interrupt the balance of hormones that drives your menstrual cycle. This can cause you to bleed when you are not on your period, have a lighter flow than normal, or stop having a flow at all.