"It was horrible, I couldn't feel my body at all."
Mandy Minella returned to professional tennis in February, just 99 days after giving birth to baby Emma. The 32-year-old from Luxembourg has been there, done it, and experienced the muscle soreness.
So as Serena Williams gets ready to make her WTA Tour return at Indian Wells this week - a little under 190 days after the birth of baby Alexis Olympia - what can she learn from former world number 66 Minella's experiences?
How easy is it to juggle the whirlwind of nappies, feeding and seemingly endless babygro changes with the daily demands of training and competition?