What you think

So I'm 12dpo and last night I was BD😍😍😍 lmao and the middle of BD I got to feeling like I had to barf😷😷😷this feeling still haven't went away..... This was at 3am when I woke up this am I took a test on a CBD and it said Not pregnant ......I'm two days from AF and still no BFP 🙁🙁🙁 I don't feel sick like this ever but since 3am I been leaning over the toilet on and off ......have any body been feeling like this right before BFP let me know