It’s tempting to add some extra absorbency sometimes but be careful about having a nappy that is too ‘packed’ with inserts. Whilst your baby might still be able to move, a bulky nappy worn often can disrupt your child’s physical development. How? In lying down - a bulky nappy changes the natural curvatures of the spine and the position of the pelvis. It results in lower activation of tummy muscles and their stretching – that makes tummy time difficult and hinders rolling. In sitting - a big bulk under the bum may result in increased pelvic tilt and poor posture. In walking – in older toddles that are walking steadily a wide and packed nappy might force them to walk with their legs wide impairing the correct gait pattern.