sch question

abask

Good morning ladies! I had a sonogram last Tuesday because of some spotting. I saw baby with hb and it was quite a relief. Before I went in for that us I had already scheduled one for this Wednesday, so today I called and asked if I needed to cancel this one. The nurse I spoke with told me that I should come in on wednesday because I have a sch. Is it strange that nobody told me about it until I called and asked? I feel like its something I should've been told. I don't know a whole lot about them but is it something I should be concerned about? I'm just a little confused so any information you can give me would be great. Thanks ladies!