Vaginal ultrasound.

My • i am 27, happy married i have a 4 year old son. from mission hills california, 91345. hit me up.
5 days ago i found out i am pregnant with my 2nd baby. I even went to kaiser for my blood done positive. But when i went to have an ultra sound they didnt see any baby. They said it might be too early, my baby is only like 2-3 weeks. But this is freaking me out is this possible? Pls share your experience with ne. It would be a good help for me and my husband. Thanks!