25th sep....plzz help

As per glow my Af should start on 20 sep....which is 28th day....but as per my last 6 period cycles I get AF between 30 to 32 days.....Today it's 32 day....but AF didn't show up....On my 28th and 29th day I had slight spotting..which I thought Af symptoms...but later no spotting....I don't have any common symptoms of pregnancy...Yesterday I tested it was BFN😒....And there any one on the same boat?Can I expect that I'm prego?please share ur views....