hey guys so I went to the hospital Sunday. And my hcg was 24,211 and they saw a yolk sac and it was measuring 5 weeks and 6 days. well I go to a ultrasound today and they tell me they only see a sac. doesn't tell me what it measuring or anything. And I swear I still saw the yolk sac on the side. the girl that did my ultrasound today said she couldn't even find my left overy it was like it was hiding or something.....is this even possible for my yolk sac to disappear within less than 48 hours. Or did the ultrasound tech mess up. I don't even know whay to believe. I did see on the top of the screen it said 6 weeks and 1 day today. So who knows someone please help. I've been crying non stop worried. they are having me come back in 1 week.