6 week & early ultra sound showed no baby .

Carrie
Ok so I'm freaking out according to my lmp I'm 6 week pregnant went to the docs today Nd they did a valginal us docs only saw a yolk sac ??? No baby ! Wtf does this mean ? I'm pregnant I passed 9 test !!! They took my blood and told me to come back in two days but I'm going insane here please some tell me I haven't lost Or I am about to lose my baby . It too early to confirm ???