Pregnancy symptoms at 9dpo? Possible? Please read

Sky • 22 yr old mum of one gorgeous little boy 💙👪 and mum to be with #2 in April! 👨‍👩‍👦‍👦

I had implantation bleeding on Friday, 7dpo so I'm pretty sure I'm pregnant, as AF isn't due for a week but now I can't eat anything without feeling like I'm going to be sick, I also have bad diarrhoea (sorry tmi) is this a pregnancy sign this early? Or am I just ill