Maybe a strange question

Beth • Mammy to Phoebe after waiting nearly 3 years. Worth the wait💜 13.09.19 7lbs💜
I know It's a bit disgusting but could it be a sign.. when I woke up what seems like acid came up, then during the day if I had a burp there it was just flew or sick or something... I'm 14dpo, could it be a sign?