Many people are concerned about how they smell. It's natural that you'd want to generally smell pleasantly and that you might be a little bit embarrassed if there are any less-than-pleasant odors wafting off your body. Just like foods can affect the way that your breath smells or the way that your sweat might smell, they can also potentially have an effect on the way that you smell down there. The foods that cause body odor below the waist are, in many cases, foods (and beverages) that your might associate with changes in the way that your breath smells, for instance. If it affects one, chances are fairly good that it might affect the other.
Though many people find it embarrassing when their breath smells or fret about how their vagina or general ladyparts area might smell, particularly if it's not so good, generally speaking, the way that your vagina might smell is not something about which you need to worry. Unless it smells particularly fishy or like garbage, it's probably not that big of a deal — it's not supposed to smell like flowers or perfume. That being said, if you're stressed about it and think there just might be something wrong, talking to your doctor about what's going on and why you're worried might help. They can help determine if you have some sort of infection or anything else that might need to be addressed. Otherwise, drinking lots of water and eating a healthy, varied, well-balanced diet might be able to help get rid of any less-than-desirable scents, regardless of from where they might be emanating.