It is reported that Mirka has checked into Klinik Bethanien in Zurich and she is due to deliver Baby Federer any day now.
Members of the media are already gathering outside the clinic waiting to capture the first picture of the new born baby.
Updates:
Click here for the original Swiss source: http://www.thurgauerzeitung.ch/thurgau/kreuzlingen/Kommt-das-Federchen-am-Mittwoch/story/19287593
(Via sports.sina.com.cn)