Help me

Miranda
My period is due in 7 days and I have been feeling sick to the point I'm always throwing up and the past 2 days my poo been like watery I'm sorry (tmi) and I have been getting headaches and I'm creaming a lot during sex and when I'm not having sex . Certain smells make me want to throw up . My boobs are really sorry and I feel bloaded most of the time . What could it be help. P.s me and my boyfriend have unprotected sex every other day . We are ttc#1