Chemical Pregnancy.

Alicia • 24. Married. Momma to 2 Angels. Furmomma. Praying for our Rainbow.
I recently experienced a chemical pregnancy. The past weekend has been a roller coaster of emotions. I took two test on Friday both positive. I told dh and we were both ecstatic. I took a digital test Saturday night and it read positive. According to all the apps I was only 4 weeks, and our peanut was only the size of a poppyseed. Sunday I took 2 more digitals and both were bfn. I figured it was just a fluke, so I took 1 more line test and got a faint positive. Monday morning I called the dr to see if I could have lab work done, she wasn't there and Id have to wait until Tuesday (today). Last night just as I was getting ready to take a test, af showed up. I've been cramping really bad, especially in my back. Thanks af for the reminder that I couldn't protect my little poppyseed. I am devastated, we had big plans to tell our families at christmas, I feel like a failure.
 How common are chemical pregnancies? Should I go to my doctors? Let them know? How long should we wait to try again?