Winning while pregnant: How athletes do it

The 35-year-old Williams said she plans to return to competitive tennis after her pregnancy

The Snapchat image of Serena Williams’s baby bump with the caption “20 weeks” was deleted shortly after it appeared last week, but anyone could do the math: when Williams won her 23rd Grand Slam singles title at the Australian Open on January 28, she was eight weeks pregnant. And even her coach had no idea.

“It’s an amazing feat,” said Laura Riley, director of labour and delivery at Massachusetts General Hospital in Boston. “People should give her credit for who she is, which is an amazing athlete.”

Many women are bone-tired at eight weeks of pregnancy, and hunkered over the toilet with