No, massage chairs are not bad when pregnant in most instances when properly customizing the experience as appropriate. In particular the foot massage system is so good for the achy feet of the mother-to-be. A proper massage chair allows for customizing the experience to turn off areas of the chair that would be inappropriate. An ideal setting could be neck and feet only mode or perhaps glutes and feet only. Read more about the Vegas Massage Chair to see why we believe it is the best massage chair.