The Dynair pillow can I highly recommend. I have an irritated sciatic nerve through the pregnancy and thus difficulties while sitting. With the help of the pillow I notice immediately a pleasant relief in the area of the sacrum + a pleasant break. The movements of the muscles and ligaments stay nice in motion, and harden not be more.
The TOGU Theraphiekissen was recommended to me by my osteopath.
I had also ordered a ball pump. This is however not needed because from the outset, the pad is supplied with the correct amount of air.
After the pregnancy, I'm going to buy a second pillow for the office.