Curious if these are signs

Whit • Praying for a rainbow
I am not due to start my period until the 26. I started the day off with a terrible headache that lasted for about 5 hours. I now have cramps on lower right side and back pain on lower right side. Never have this with AF. Just curious if anyone that has a bfp has had these same symptoms? I don't want to test until later in the week.