Speaking about the attention-grabbing outfit, she said: "Yeah, the catsuit, I had a lot of problems with my blood clots, and, God, I don't know how many I have had in the past 12 months".
"I clearly enjoy the path more where it comes easier, not wasting too much energy is always nice".
Wozniacki's frustration was only increased by the unwanted infestation that landed at Wimbledon during her match. "From my end, I'm very happy". "For my body, [breastfeeding] didn't work, no matter how much I worked out, no matter how much I did; it didn't work for me".
Next up for Federer is a third round tie against German world number 64 Jan-Lennard Struff who came back from two sets down to defeat 39-year-old Ivo Karlovic 13-11 in the final set.
"I'm getting there. I expect to get there, not only for Wimbledon but for the tournaments in the future".
How do the World Cup quarter-finalists compare?
My players have ambition, me too, but it will be a hard match, ' he said. The team didn't win because Uruguay scored twice".
Her elder sister Venus Williams won her match, as well, after coming back to beat Romanian qualifier Alexandra Dulgheru 4-6, 6-0, 6-1. I don't go out there expecting to do well, see what happens. If that's working for me I'm all for it.
Azarenka, 28, lost her singles match to Karolina Pliskova 6-3 6-3 but is competing in the mixed doubles alongside Britain's Jamie Murray. "It was insane. I just kept dropping".
The top-seeded Federer defeated Slovakian challenger Lukas Lacko in three straight sets to move on, while Williams cruised past Bulgaria's Viktoriya Tomova.
But Serena was still able to extend her winning run at Wimbledon to 15 matches - a streak that encompasses her 2015 and 2016 titles.
Williams used a powerful serve to win 84% of her first serves and 71% of her second serves to put the match away.