Tuna is one of those annoying pregnancy foods that might be really, really good or really, really bad for the baby.

Instead of driving yourself crazy (like I did!) trying to guess the proper amount to ingest without putting increasing your mercury level to the point of now return, you can use the handy dandy Tuna Calculator that will give you a suggested weekly serving based on your weight.

Now if only there was a calculator that could tell how many Snickers bars it takes before what was once sinewy turns all............schlumpy?

Foods to Limit or Avoid During Pregnancy(click thumbnails to view gallery)