Fair enough I say. She's at the peak of her 'job' why shouldn't she postpone motherhood if that's what she wants to do. Many other women put their careers before kids, don't really see any difference.
I think she stopped today to empty her bladder. She clearly squatted and moved her shorts to one side before she got up again.
Well done Paula!
btw Paula has never failed to attend or failed any drugs test, random or otherwise, and remains one of the severest critics of all drug taking in major sport.