Chemical pregnancy

I had may last period January 22nd. Feb 17, I got a faint BFP. The 18th I took a digital and got a pregnant. I took the second digital on the 20th got another pregnant. The next day I started spotting which turned into a very light period (I get horrible cramps and heavy bleeding) I this was over the weekend so I called my OB and they sent me to my primary bc I also had been sick....after all if this I tested neg on a urine test. So I guess I just looking for similar stories and wondering when I can try again