If a woman exercises vigorously when she has her period, it can lead to the following symptoms: 1. It can lead to increased menstrual pain, many women have lumbago and bloating during their period, and if the pelvic congestion is severe due to vigorous exercise, these discomforting symptoms will increase. 2. If vigorous exercise during the period affects the amount of menstruation, it can lead to an increase in the amount of menstruation and a longer period. Therefore, it is not recommended to exercise vigorously during menstruation. There are individual differences in the effect of vigorous exercise on menstruation, and the occasional vigorous exercise during menstruation in particularly good health has no effect on the body, but if the rest is not good during menstruation for a long time will affect the uterus and will have an impact on the women’s menstrual cycle, so pay attention.