They also carry them at the dollar store (the store that only sell items for $1) And I have used them many times they do work.
Keep us posted
Almost any store should carry them. Walmart, Walgreens, drug stores, Krogers, etc.
Where can I get a pregnancy test from?
Have to agree with lissy1978. You may just be adapting but what you're describing can also be symptoms of pregnancy. Your period is late enough that a urine test should be accurate. I would do one to find out for sure.
It might be normal as your body is adapting to the hormonal changes. But just in case I'd take a pregnancy test just to be sure.
Best of luck