The Celtic Motherhood Knot is used to depict a parent and a child in an embrace, with two hearts made out of hearts. It is also referred to as the Madonna and the child. It shows the enduring bond between a mother and a child. Made from organic materials these undies are super safe for both mother and child. These undies are durable with a premium finish. This unique intimate wear product has a special elasticated panel covering the stomach that expands along with the baby bump and special tabs that allow the waistband to be expanded or tightened so that the undies can grow and adapt to you both during as well as postpartum.