Justine HeninJustine Henin, seven-time Grand Slam tennis champion, is expecting her first child.

Henin announced Wednesday on her Facebook page that she is pregnant and the baby is due in March. She says she and partner Benoit Bertuzzo “have some nice news to announce. Yes, soon there will be three of us.”

The former top-ranked player retired for the first time in 2008. She made a comeback in 2010 and retired for good the following year because of an elbow injury.

Henin won four French Opens, two U.S. Opens and one Australian Open.