People asking if you're pregnant!

S
Omg just feel like venting. I was asked, again, today if I was pregnant. I am not really overweight, I just carry all my weight in my boobs and my tummy unfortunately! I've been asked if I was pregnant several times over the years and now that I'm TTC and pretty sure I'm starting AF tomorrow, it's really ... Awkward to say the least. 
I just deal with it and politely say no, blah blah blah. Some people are lucky I'm not a bitch! Ha!
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​Has anyone dealt with this before? 
How do you handle it??