Can I use Perifit while pregnant? Perifit support team February 23, 2018 02:33 Updated Follow Yes. We have updated the instruction guide, you can now completely use Perifit while pregnant. Related articles Perifit is sliding out during the workout, how to stop that? The character stays at top or bottom, or I can't control the game properly, how to fix that? Which difficulty level to choose? What are the dimensions of the Perifit? Is it possible to download the instruction guide? Comments 0 comments Please sign in to leave a comment.