If you've discovered that those extra pregnancy pounds don't just magically disappear after your baby is born, this article is for you. Here's how to get back in shape post pregnancy:

When can you start exercising?

Depending on your fitness level before and during pregnancy, you may find that walking is all the exercise you need until your six-week post-partum checkup. "Start by walking as fast as you comfortably can for a minimum of 20 minutes," says certified trainer Andrea Grace.

Once your doctor gives you the all-clear, you can begin more strenuous exercise. "Just remember to go at your own pace and modify the intensity of the exercise, working up to three times a week of active movement for at least 20 minutes at a time," she says.

Try checking out your local gym or community centre for post-natal fitness classes. "Specialized post-natal classes take into account the changes your body went through during pregnancy," says Grace. "They're not necessarily less intense, they're just paced more slowly. They're also lower impact and incorporate a fuller range of motion, which is safer for your joints."

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