Have to ask

Ash • Wife 💙 Mommy to a little boy as of 3/17! 😍
I'm 3 days from my expected period and I've been nauseas, have had a horrible headache, dry cough and today my fever was at 100.3. I read that pregnancy symptoms can mimic flu-like symptoms from the hormone surge. Is this just coincidental? 
Thank you guys for reading something so silly 😂 also, I did take a test yesterday and it was negative.