of how to tell if a woman id fat or pregnant?

Is that woman pregnant or fat?

Some commuters don't give up their seats for pregnant women because they fear offending someone who is just overweight, it has emerged. Here, expectant mothers give tips on how to tell the difference.
1. Listen for huffing and puffing
2. Belly or back-rubbing
3. Check the feet
4. What's she reading?
5. Inflated ankles
6. A waddling walk
7. A well-defined and solid bump

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