The Yahoo! CEO is expecting identical twin girls, she announced Tuesday
Marissa Mayer Welcomes Identical Twin Daughters

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Twice as nice!

Yahoo! CEO Marissa Mayer is expecting twins with husband Zachary Bogue, she announced Tuesday on Yahoo’s Tumblr.

The 40 year old wrote that she is expecting identical twin girls in December — news that took the couple completely by surprise.

“I have no family history of twins or any other predisposing factors. However, as I’ve now learned, identical twins occur by random chance in roughly one out of approximately every 300 pregnancies,” she explains. “Zack and I have embraced the surprise and are very excited about these new additions to our family.”

Although she’s prepping for double the work, Mayer — already mom to son Macallister, 3 this month — doesn’t plan to leave the office for too long.

“Since my pregnancy has been healthy and uncomplicated and since this is a unique time in Yahoo’s transformation,” she writes, “I plan to approach the pregnancy and delivery as I did with my son three years ago, taking limited time away and working throughout.”

The mom-to-be — and one of America’s most prominent female CEOs — told NBC’s Today that she will take two weeks leave during the pregnancy and will work from home.

Mayer, who joined Yahoo! in 2012, also posted the news on Twitter and Bogue retweeted. Bogue also retweeted a slew of congratulations and well-wishes from friends.

— Charlene Adams