Pre and Post Natal Workouts

Anne
Hey ladies! 
      This is my first post on here. We are trying to conceive number 2 and I have been working extremely hard to get myself in shape through 21 Day Fix and Shakeology. I don't want to undo all my hard work if/when we get pregnant! Has anyone used 21 Day Fix during pregnancy? Or any other Beachbody Programs? 
TIA!