I love WebMD’s in-depth look at what you should and shouldn’t do to stay fit while you’re pregnant, “Exercise During Pregnancy: Myth vs. Fact“. The article gets to the truth of these statements about preg-ercise, and lets you know what to believe and what to dismiss:

Myth or Fact: Never get your heart rate over 130 while exercising during pregnancy.
Myth or Fact: It’s not safe to do abdominal work during pregnancy.
Myth or Fact: If you were a runner before pregnancy, you can continue to run during pregnancy.
Myth or Fact: Pregnancy can make you more prone to certain fitness injuries.
Myth or Fact: …read more