Need advice please!

Hey so I’m 28 and the last few months a week and a half before my period I get really bad cramps headaches nausea severe bloating and hot flashes. Then when I start my period the headaches come back the bloating stops cramps are more normal but the hot flashes are way worse. I’m wondering if my hormones are just out of wack or if I’m premenopausal I asked my mom and she said she was premenopausal around 28. I’m also only 98 pounds due to a high metabolism and an autoimmune that makes weight gain extremely difficult. Any advice would be great!!