Please watch this introduction to the pregnancy Pilates videos before doing any of the exercises.
4 point kneeling is an excellent core strengthening position and a great one for re-engaging with your abs after birth. It is suitable if you have back pain as you could avoid the Threading the Kneedle exercise at the end.
A great series to strengthen the bum muscles.
A series of exercises perfect for pregnancy. These could be performed on a chair is you don’t have a ball.
The standing ball series is a good example of core and balance work suitable during pregnancy.