T-Hopes the exact thing happened to me at 8weeks. All my pregnancy symptoms just vanished on day and stayed away for 3days. The MS came back for a day only to disappear again. It continued with this pattern from the 8weeks to 11 when it stayed away for good. I was very anxious also that I had a missed m/c. At times I spent almost all day crying over it comletely convinced I had lost bub but on Tuesday bub was still in there doing well according to the Ob. Even now at 16weeks I still have days where I feel I have probably lost the baby. Its torturous and I think LTTTC and lossing past pregnancies has totally fueled my anxiety. Hope you get some reassurance soon that everything is going fab!