Mark Zuckerberg Expecting First Child With Wife Priscilla Chan -- Read His Emotional Facebook Post

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Congrats to the Facebook family!

The social networking site's 31-year-old creator, Mark Zuckerberg, announced Friday that he and his wife, Priscilla Chan, 30, are expecting their first child together, in an emotional post on his Facebook page.

WATCH: Ashlee Simpson and Evan Ross Welcome Baby Girl 

Accompanied by a cute family photo (featuring their adorable mop of a dog, Beast), Zuckerberg also revealed that the couple has suffered heartbreaking miscarriages on three occasions.

Priscilla and I have some exciting news: we're expecting a baby girl!This will be a new chapter in our lives. We've...

Posted by Mark Zuckerberg on Friday, July 31, 2015

"We want to share one experience to start," he said. "We've been trying to have a child for a couple of years and have had three miscarriages along the way."

" It's a lonely experience," Zuckerberg continued. "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."

Zuckerberg hopes that, by opening up about their past struggles, it will help others who are hurting.

"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," he said.

Despite the past tragedies, the couple is in high spirits now.

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"Our good news is that our pregnancy is now far enough along that the risk of loss is very low and we are very hopeful," he said. "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've already been so fortunate for the opportunity to touch people's lives around the world," Zuckerberg said. "Now we'll focus on making the world a better place for our child and the next generation."

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Another person with exciting baby updates happens to be the second most popular celebrity on Zuckerberg's website, with over 100 million likes! Watch Shakira's video of her 6-month-old son playing soccer below.