8 dpo symptoms

So I'm 8 dpo and I've been having some cramping very mild and pelvic pressure feelings which the cramping is normal before af but I've been having them since we BD on our ovulation day which is not normal for af symptoms that ealry so what are the chances of taking a test and it being accurate right now I never charted my ttc with my other pregnancies so I'm just unfamiliar with things this early does it sound like I could be pregnant