22/08/2026
Did you use a birth ball?
As a Midwife and a PT I really encourage all mums to get one of these. They have so many benefits, such as relieving lower back pain, it encourages your baby in to an optimal position and can increase blood flow to the uterus. They are especially good for adapting training in the pre/postpartum period.
However many women can buy the wrong size and sit in the wrong position and this negates any benefits you may be trying to achieve. I know, it sounds a bit ridiculous. How can someone sit on a big inflatable ball incorrectly?
Well the correct way to sit is:
🔸Square in the middle of the ball
🔸 With your legs as wide as needed to accommodate your bump (not too wide though)
🔸 Feet planted firmly on the floor.
🔸 You want to make sure your hips are PARALLEL with or ABOVE your knees. If your knees are up near your chin then the ball is too small!
The standard rule for sizing is:
5’3 or less = 55cm ball
5’3 - 5’8 = 65cm ball
5’9 or taller = 75cm ball
An incorrect sitting position can restrict the pelvic inlet and therefore can prevent your baby from adopting an optimal position for birth. It can also encourage poor posture in the seated position and exacerbate any existing back pain.
You can use a birth ball at any point in pregnancy. And if you are still working from home then grab one and ditch the office/dining room chair. You will thank me for it!