Ttc baby #1

So yesterday I was 9DPO

Today I’m 10DPO

Period is in 5 days

Ok so yesterday I woke up to small back ache on my lower back

Along with sore breasts on and off all day

And with some mild cramping

I’ve been having Breast pain since before yesterday and I don’t get breast pain until a day or the day of my AF but again I’m 5 days away from that, so I just need answers or tips?