I need some answers please help!

I am 27 days late on my period..Haven’t had one since Sept.24th..I m also 13dpo and still been getting a BFN last time I took test was middle of this week...I have had extremely extremely sore breast for a week or so just this morning they felt better and my taste buds are changing have a weird taste in my mouth and cramping some..And nauseous...Am I pregnant and just to early to show up or what?Im gonna try again Monday give it two full weeks past ovulation!But what do y’all think?