11 DPO- symptoms?

I woke up aching all over,specifically in my back,neck,and legs.I have a headache,and am feeling nauseous on and off.The thought of food is making me feel even sicker,but I do feel hungry? My BBT is 100.
My boyfriend and I have sex frequently,and never use condoms or pull out.
According to glow,we had sex 2 times over my fertile window.
Pregnancy symptoms,or am I just sick?
Oh, I also had a dream I was pregnant last night.