Feeling bloated and cramping

Vivian
Have been TTC for 3 months now. Usually I have no PMS symptoms at all but it's been 3 days now I get these mild cramps here and there throughout the day. On top of that I'm super bloated!! I'm on dpo 6-7, tested and got a bfn. I know it's still early, just wondering if it's possible starting to have some pregnancy symptoms very early or if this is just PMS.