I'm really scared that this pregnancy is a blighted ovum. With my previous pregnancies I always had symptoms. I don't…

I'm really scared that this pregnancy is a blighted ovum. With my previous pregnancies I always had symptoms. I don't have any symptoms then when I went to the hosp. Wednesday night the tech said it was an empty sac but I I could just be too early. This stress is killing me. I just went through an ectopic in Dec . And I don't want to lose another baby.