A peanut ball is a birth ball in a peanut shape (a smaller circumference in the middle, larger at each end). It is used during pregnancy, labour and the postnatal period, particularly for support and positioning. The peanut ball is at its most useful when used by women who have had an epidural and are labouring in bed, where movement is otherwise restricted.
An epidural is the most effective pain relief in labour, but it limits how freely you can move. Lying in one position for hours can slow labour and reduce the space your baby has to descend and rotate.
The peanut ball solves a practical problem. Placed between the knees while you lie on your side, it keeps the upper leg gently lifted and rotated, opening the pelvis and giving your baby room to move down. It also lets you change position more easily, which would otherwise be difficult with an epidural in place.
The midwife will help you reposition every 1 to 2 hours, swapping sides as needed.
Shorter labour
Studies have shown the peanut ball reduces the first stage of labour by around 90 minutes and the second stage by around 23 minutes for women with an epidural.
Fewer caesareans
Use of the peanut ball has been associated with a reduction in caesarean section rates for women labouring with an epidural.
More comfort, less stress
Beyond the numbers, women report better comfort, less fatigue, and a more positive experience when the peanut ball is part of their labour care.
1. Side-lying with the ball between the knees
The classic position. Lie on your left side, with the ball placed between your knees and lower legs. Your upper leg is supported in a gently elevated, rotated position. Comfortable for hours; the midwife will help you swap to your right side after a while.
2. Side-lying with the upper leg over the ball
A variation in which the upper leg rests across the ball. Useful when you want a slightly different angle, or if the first position is becoming uncomfortable.
3. Semi-upright with the ball under the knees
Sitting up in bed, with the ball positioned under both knees. Useful in the later first stage and during pushing, as it opens the pelvis at the outlet.
4. Modified hands-and-knees with the ball under the chest
For women labouring without an epidural, or for back-labour pain, kneeling and resting the upper body on the ball can ease pressure on the lower back.
Your midwife will choose and adjust positions based on what is comfortable for you and how your labour is progressing.
