We know how to express our happiness as well!
Announcing pregnancy seems like a really easy task when you are not the one expecting a baby. One has to be very creative while doing this. You have got competition out there, people! You just can't say that you are having a baby and be done with it.
Hence, I explored unusual ways in which lesbian couples have let the world know about the addition that's going to take place in their family. You can take some inspiration from them. Okay, you can take a lot of it. Just don't be a big bore about the entire thing.
See and learn. This will help you to know what happens in the foreseeable future.