Brace yourselves for the Zuckerbaby! Mark Zuckerberg took to Facebook this morning to announce that his wife Priscilla is pregnant with a baby girl. Also, did you know they had one of those mop dogs?

It turns out that getting pregnant hasn't been so easy, and today Zuckerberg opens up that they've "had three miscarriages along the way," and he is uncharacteristically candid (and almost emotional?) about it.

Zuck writes:

You feel so hopeful when you learn you're going to have a child. You start imagining who they'll become and dreaming of hopes for their future. You start making plans, and then they're gone. It's a lonely experience. Most people don't discuss miscarriages because you worry your problems will distance you or reflect upon you -- as if you're defective or did something to cause this. So you struggle on your own.

...

When we started talking to our friends, we realized how frequently this happened -- that many people we knew had similar issues and that nearly all had healthy children after all.

We hope that sharing our experience will give more people the same hope we felt and will help more people feel comfortable sharing their stories as well.

Also, he jokes about the dog, and about seeing the fetus giving him a thumbs-up "Like."

Cilla and our child are both healthy, I'm extremely excited to meet her and our dog Beast has no idea what's coming. In our ultrasound, she even gave me a thumbs up "like" with her hand, so I'm already convinced she takes after me.

We're looking forward to welcoming her into the world and sharing more soon when she's ready to come out and meet everyone!

And just so you know, the dog breed is called Puli, and they're Hungarian sheep dogs not unlike Komondors. And yes, those dreadlocks occur naturally.