Serena Williams The 'greatest female tennis player of the Open era' won her 23rd Grand Slam without dropping a set.
But when you learn she did it while in the early stages of pregnancy, the feat becomes exceptional.
So how is it possible to win a Grand Slam while pregnant?
"The nature of a Grand Slam tournament, where players have to recover to play consecutive matches, would have been a challenge for her, if you take into account nausea as well."
Here's the best of your answers:
Danny Kibbey: So Serena won a Grand Slam at 8 weeks? Pff, my missus completed IRONMAN WALES at 12 weeks (I watched on telly).
Mike T: Serena Williams was pregnant when she won the Australian Open and I can't even be bothered to finish this senten...
Taryn Finley: Serena Williams was pregnant when she won the Australia Open in Jan, but I can't even get out of bed when I'm on my period.
Raun Anand: Serena Williams won a Grand Slam whilst pregnant and I have trouble reaching for the remote after a McSpicy.
Alison Hennessey: She won the Australian Open while eight weeks pregnant. And I complain about a dynamic yoga class..
Lisa: Serena Williams was pregnant when she won the Australian Open and I struggle to walk upstairs after a big lunch.
Aquelious: Serena Williams won the Aus Open when she was pregnant but I get tired if my FIFA17 match goes to extra time!!!
Chimp: Serena Williams won the Aus Open when she was pregnant, but I once completed a 24 hour Le Mans race on Gran Turismo. AND won.
Jablesfifa: Serena Williams won Aus Open while pregnant, but I got subbed off in the first half of a football match due to a wasp sting.