Thank you all. I am sooo relieved, I had expected the worst. But all is looking good, heartbeat strong, placenta is starting to form, all in place.
The sonographer could not see any reason for the spotting/bleeding, so I am wondering if it's to do with the heparin. She did say, though, that sometimes you can get cell abruption when the placenta is starting to be established, which can lead to bleeding, so it could have something to do with that. Who knows...
And it was as I suspected - they had not realised that I had a scan 2 weeks ago already, so this one was definitely a bonus freebie. The nurse who took my blood pressure and history for a bit miffed when she heard that I've already had one, but it really isn't my problem if they don't check their records
I am very grateful they let me have it, don't get me wrong, I have felt so rotten in the last 2weeks, it was worth it (for me, anyway). So, thank you, NHS, for being disorganised!
12 week scan is next, but I'm not sure they will fit me in before we go on holiday in 2 weeks... Of course I will be 12 weeks just as we are going away for a fortnight, duh.
Shattered now, all the anxiety has left (for now). Might go and have a sneaky nap while DH and DS are out shopping.