help plz

So Hubby and I are TTC past few months and lately I been feeling off..its been 6 dpo and past 2 days I'm having sharp pelvic pain(left side ) with lower back pain, frequent urination and vomited a few times also..this is totally new to me never happend and AF is do in 9 this a good sign or somthing I should be worried about??🤔