-) I recall working out my boss was pregnant before she had told anyone (Some women have a distinct change in gait when pregnant)

I didn't mention it as I knew she had had a miscarriage and dint want to risk saying something and then her lose the baby.

I'm having trouble remembering the quote, but it was something like: "Don't ask a woman if she's pregnant unless you see a baby is coming out of her right then."

I believe that's Dave Barry.

“You should never say anything to a woman that even remotely suggests you think she's pregnant unless you can see an actual baby emerging from her at that moment.”