Bfp after af like cramping

Cg
I am 12 dpo and have so many pregnancy symptoms but of course plenty mimic Pms. I had some brown spotting a week after ovulation and a little today. My periods due in 3 days. I have bad cramps. Heartburn. Bloating and no breast soreness like i usually do. My q is any ladies had af like cramping but Bfp?