"It's a good time to start exercising if you did not exercise prior to pregnancy," says Artal. "It's a unique time for behavior modification — to eat right and live right."
Usually I go jogging four times a week, and I always go in the morning because for me it's the best time to exercise because it keeps me awake all day, but at the moment I don't do any other exercise.
30 to 40 minutes of strength training is optimal; however, you can fit some exercises in as little as 10 minutes if you're prepared to optimize those short bursts of free time.