Show proudly that you are pregnant with one of the beautiful chains of Proud Mama. They are available with and without a bola. A bola is a ringing bell that your baby can hear from about 6 months. If you wear the bell often, your baby will recognize it as soon as it is born. You can then hang it above the cradle, for example. There are also bracelets available with necklaces with stones like agate that are known for their soothing effect.