Yay Shazz that your HCG levels are right on track!

Blue, you need a ticker!

I can't answer your question but it has to be right for you. I don't think you will steal your brother's thunder if you tell them now but you need to feel comfortable and confident when you do tell them, so you can bask in the happiness and not have to worry too much about hurting others!!! Good luck. I'm sure everyone will be thrilled for you!