Pregnancy bells, also known as Mexican bells, have their origins in Mexico and Indonesia. For centuries, they have been used as a protective amulet for pregnant women and their unborn children. Their gentle sound has a calming and harmonizing effect. Regularly wearing a bell strengthens the bond between mother and child. A bell is a beautiful piece of jewelry that will emphasize the femininity and elegance of a pregnant woman. A bell is an ideal gift for an expectant mother.