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@wanda2010: Cycleops is talking nonsense again.
Forgive him TMN, he knows not of which he speaks, cos he ain't a diminutive cycling person
Three of my bikes are children's bikes*: Islabike Luath small, Fuji classic track and a Fuji Ace roadbike. My Trek 1.2 is a titch bike also, but wasn't marketed as a child or woman's bike.......... I'm 4'11 with, in cycling terms, a short torso so reach is what determines any bike I get. I changed all the stems to 60mm and bars to 38cm to ensure the best fit possible (after advice from a bike fitting) but my next purchase will be a custom bike. Also, when I first learnt to ride, my saddle was low enough that I could put a foot on the ground whilst seated. At that same bike fitting, I was persuaded to raise the saddle to the point that I have to be unseated to have a foot on the ground. Now that was a steep learning curve, but I can't imagine cycling any other way and my knees would probably complain if I did.
*Forgot to add only the Islabike has 700c wheels. The others are 650c. My bike fitter and one framebuilder that I've spoken with would like to see more 650c wheeled bikes available for shorter people instead of shops trying to force us onto larger-wheeled bikes.