hi emmanue, welcome to bb and sorry it is under such circumstances. I am so sorry to hear of your loss, but you have come to the right place for all the understanding and support you need. There are so many wonderful people on this forum who have been thruogh what you are experiencing, myself included.
I can understand the feeling ashamed, but its not your fault hun, im not going to spout platitudes about how "these thing happen" etc, but the sad fact is that 1 in 3 pregnancies end in miscarriage, I never realised until I had been thru it myself just how common it is. Once I started talking about it, it was amazing the amount of people I knew who came and told me theyd had one (or even more ) too. Its just not something people like to talk about.
But I know it hurts, feeling like your body has failed you, asking yourself what you did wrong. This is all normal, and although it still hurts to think about my little angel, time heals a little.

In regards to conceiving, yes, it may still be too early to get a positive test, also, your hormaones may still be a bit all over the place, It took myself and dp 6 mths to get pregnant after our mc last year, and my period was still over the place.
There is a thred here called trying to conceive after mc or loss, I spent a lot of time there last year, and the support of those lovely people is fantastic, I would encourage you to join in there.
again huge hugs hun, feel free to chat and talk, vent, whatever you feel like.
xxx