I'm having a hard time with this!
With both of my first two kids, we let our families and close friends know pretty much right away. They were definitely planned pregnancies, and most people knew we were trying anyway. This time is different. Not exactly planned (oops!), and I'm worried about negative comments. Most people seem to think two kids is the only acceptable number: if you have only one, they keep bothering you about when #2 is coming. If you already have two, they assume that's where you'll stop. My sister's already told me many reasons why having three is a bad idea when I've mentioned over the past years that I wasn't sure if we were done at two. She, especially, I'm not looking forward to telling.
But, at the same time, I'm ITCHING to tell the world! It's hard to keep it a secret. So far, only my husband and two close couple friends know (and one of those I only told because the wife just announced that SHE is pregnant, too!). At the very least, I want to wait one more week to tell our families, as I am just 5 weeks today. Ideally, I'd wait till 8-10 weeks, but I'm really not sure I can last that long.