It's important that athletes can compete on a level playing field. And youngsters coming into the sport can know that if they are working hard and training hard, they'll see a true reflection of where they stand and what they can achieve worldwide and not be swayed by people who are cheating.

I actually got a nice surprise about being a mother because I expected it to be harder and to have to make more adaptations.

In my Olympic history I don't think I have achieved my potential as an athlete. That's what I want when I look back at my career. I want to be able to say I gave it my best shot.

I am not going to let Athens affect the rest of my life.

There's always going to be somebody who takes a dislike to you and you can't waste time worrying about it.

I'm confident of what I have to achieve in the buildup to London 2012.

It's totally different from last year because I came in with good shape with no health worries so it was about going out there and running well and enjoying it.