yesterday at the ultrasound I seen two circles not knowing only one was the baby and the other was a…

yesterday at the ultrasound I seen two circles not knowing only one was the baby and the other was a yolk sac I had a mini heart attack and I told the girl please tell me there's only one. she was like let's look for baby #2 at that point I was so scared I was gonna cry then she goes no I'm kidding there's only one!:)