Girls, if you are expecting and actually far enough a long that you are showing, does it bother you if someone "congratulates" you?

The reason I ask is because my mother does it all the time and it drives me NUTS! Last night was the final straw. She went out of her way to congratulate a young woman, that I thought was pregnant myself, but it turned out she wasn't! Fortunately she wasn't that pissed because she had just had a baby 6wks ago but I could tell she was irritated. So, ladies, would you mind if a crazy person said, "congratulations! I'm so happy for you"! I'm sure circumstances kinda dictate it also but I'm talking in general.
Girls, if you are expecting and actually far enough a long that you are showing, does it bother you if someone "congratulates" you?
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