I didn't even ask for it the Dr just told me I was getting one. So my husband came from work and it was stressfull but he got there. The did the scan and saw the sac and the yolk sac but no baby yet. He said I look to be about 5 or 6 weeks which is where I thought i was (6 weeks 4 days) and has me coming in 2 weeks to see the heartbeat. It's a little scary but i'm not gonna let myself get upset over it. I'm just gonna look forward to going back in 2 weeks to see the baby!