Tennis superstar, Serena Williams defied pregnancy perceptions when she won the Australian Open earlier this year without dropping a set. She posted a photo on Snapchat with the caption: "20 weeks" and a small, but perfectly formed bump protruding. She is pregnant with her first child with fiancé and Reddit co-founder Alexis Ohanian.
Serena skipped a few fixtures early on in her pregnancy, and took on and WON the Australian Open! Doctors advise that you do the normal level of activity that you would do in daily life, and avoid any undue risks - particularly in the first trimester, and don't take up new sports. You could say that Serena was just doing her day job.
She was also defying conventions and proving that anything is possible when you put your mind to it. Her belief in her ability to win carried her through the tournament. She was doing her job in the most magnificent way, and sticking two fingers up at beliefs about what we can and cannot do.
Wilma Rudolph was a premature baby weighing just over four pounds when she was born. While still very young she contracted polio, and she was told that she would never be able to walk properly.
She wore a leg brace until she was 11, and when she could finally walk, she longed to run... She ran and ran until she became the fastest woman on the planet.
The athlete Wilma Rudolph won three Olympic gold medals in 1960.
The power of self-belief in athletes really can enable them to leap, sprint and soar towards their goals.
What can we learn from their aims and ambitions?
Is there something that you just believe it's simply not possible to do?
For many years mankind thought it was impossible to run a mile in under four minutes. Roger Bannister smashed this belief, and then set the bar for all other athletes to quickly follow his lead.
Sometimes it just takes one person to defy beliefs and make something happen. But how do you believe the impossible is possible?
Start asking the universe for what you want and believing it can happen. Three years ago, I was single, broke, and broken hearted. I went to see Tony Robbins at his Unleash the Power event. He got us to write down our goals. I wrote down: man, house, baby and be a coach. I focused on these goals, and imagined myself with my husband, my child, and living in a dream house.
About a month after that event I met my husband, I fell pregnant three months later, we bought a house about a year after the event, and our baby boy was born almost a year to the day of our first meeting! We just celebrated our third anniversary this weekend.
When you believe that something is possible, anything can come true. You just have to be prepared to believe. Start being open to the universe, and being open to things that might seem a little woo woo.
When we start imagining something and start believing something, we open up pathways and new possibilities in our brain and then anything is possible. No matter how sceptical you might feel, put aside your cynicism, and be prepared to believe.