Along the menstrual cycle, the changing hormone levels can result in a variety of symptoms. The primary negative indications and symptoms are listed below, but girls occasionally may experience high levels of self-assurance, energy, and focus.

• Bleeding for 3-8 days
• Pain during the first few days of a period
• Cramping of the stomach
• Bloating
• Mood changes such as feeling weepy, irritable, tired
• Reduced concentration
• Breast tenderness
• Temporary weight gain
• Headaches
• Low back pain
• Food craving

A Few Methods To Relieve Your Symptoms

• Warm baths, hot water bottles, and pain relievers can all help with pain. Gentle exercise can also help reduce pain
• Sleep can help reduce tiredness
• Good nutrition including fruit and vegetables
• Tell the coach so they can make some allowances for your cycle
• Be prepared by keeping menstrual supplies in a small bag in your kit bag.

Source: https://www.swimming.org/sport/periods-common-signs-symptoms-ways-help-symptoms/