No gestational sac

Jean

So I went to the doctor today bc of the sharp pain I was having. They couldn't see a gestational sac or a yolk sac. Nothing! But, I should be 5 or 6 wks. I temp and did opk so I know for sure when I ovulated. Have this happened to anybody else and they go back to the doc and they see a baby? They drew a beta today and I go back on thur to do another blood draw.

These are my test a wk apart.