No I’m just less motivated because of the pain and feeling

You can find articles regarding this. Many females athletes win races during their menstrual cycle or the week after. You typically want to do your base build just before you ovulate. After ovulation, and most especially the week before your period, is the best time to take it easy and do maintance exercises as your body is in more of a catabolic state. Dont use your period as an excuse not to workout. Exercise helps improve cramps and the general feeling of fatigue you get with menses.