Went to the ER :(!!

Andrea
Went to the ER. Last night and they ran tests  did an vaginal and abdominal ultrasound. 
My gestational sac is low lying and I have no yolk sac or fetal pole was seen.  And I'm mesuring 6weeks and 1 day.   My beta-hcg. Yesterday at like 1 am was. 4385 
Should I be worried they did a pelvic exam and my cervix is closed  yet there is blood and  some tissue has anyone had this happen and have had a healthy baby and full term pregnancy !?!