suggestions my first time.

ok what should i do lately ive been having severe migraines every morning for like 3 mornings straight and tired all day and slight cramping in lower abdomen that comes and goes and also past day ive been feeling like im having a cold and been not throwing up but ill burp and spit up in my mouth also ive been having like a little spasm like in my lower back it happens when like im vacumming the floor it feels like i pulled a muscle or something.. a little back story.. in oct.2017 i didnt bleed then dec 2017 i bleed with a clear slimy stuff then this month it was like a reg period then all this started happening and i need suggestions bc im only 20 and this will be my first if i ever become pregnant ... so please help... with any suggestions thank you.