Help😭😭😭😭

Atlantis
Me and my boyfriend have been having unprotected sex and I am 11dpo and I have been feeling weird. I have been nauseous( sometimes I may vomit) a lot my breast have been hurting especially my nipples have been killing me I have been extremely gassy (if that's a word) been having mild headaches, a very very sharp pain in my pelvic area on the right side and I am supposed to be getting a visit from AF on Friday but I have started to get some light pink spotting and in scared it's what I think it is. I just need to know if this is pregnancy or AF I have never experienced these symptoms beforeÂ