Yahoo CEO Marissa Mayer gives birth to identical twin girls

California: Yahoo chief executive Marissa Mayer said Thursday she delivered twin baby girls, adding to her family as she seeks to revitalize the struggling Internet firm.

Mayer posted the news on Twitter and on the Yahoo-owned blogging platform Tumblr with husband Zach Bogue.

"Zack and I are excited to announce that our identical twin girls have arrived! They were born early this morning," she wrote on the blog.

"Our whole family is doing great! Thanks to everyone for all of the support and well wishes throughout my pregnancy."

The news comes just a day after Mayer unveiled a shift of strategy for Yahoo -- keeping its stake in China`s Alibaba but spinning off its core Internet business.

The revised plan is aimed at easing uncertainty about a big tax bill from selling Alibaba shares, but it also creates new uncertainties for the tech firm and raises questions about whether it could be sold.

The 40-year-old Mayer, who once worked at a grocery store, is listed as the 22nd most powerful woman by Forbes magazine.

She is also among the best-paid executives, with a package worth USD 42 million last year including stock options.

Since arriving at Yahoo in 2012, she boosted maternity leave at Yahoo to 16 weeks but only took two for the birth of her first child in 2012 -- drawing plaudits and critics.

When she announced she was pregnant with twins, Mayer indicated she would be taking "limited time away and working throughout."