Serena Williams won the 2017 Australian Open while pregnant.

Serena Williams won the 2017 Australian Open while pregnant. Serena Williams' victory at the 2017 Australian Open is a remarkable achievement in the world of sports. In the final, she faced her sister Venus, adding a layer of family rivalry to the competition. What makes this win even more extraordinary is the fact that Serena was nine weeks pregnant at the time. This revelation adds a new dimension to her accomplishment, showcasing her strength and determination. Overcoming physical challenges, she secured her record-breaking 23rd Grand Slam singles title. This win stands as a testament to her athletic prowess and mental fortitude, solidifying her place in tennis history.