Pregnancy bolas: A tradition with deep roots

The pregnancy bola, also known as a "Mexican bola" or "Angel caller," is a piece of jewelry with roots that reach deep into both cultural history and modern practice. With its characteristic gentle chime, the bola has for centuries symbolized calm, protection and connection between mother and child. But what is actually behind this unique piece of jewelry, and why do so many pregnant women around the world choose to wear it?

A story of tradition and protection

Originally, the pregnancy bola comes from Mexico and Indonesia, where the tradition arose from the desire to protect mother and child during pregnancy and early childhood. In Mexico's indigenous cultures, it was believed that the bola had a calming effect on both mother and child, and that the sound could ward off evil spirits. According to Mexican tradition, the bola is often called "Llamador de Angeles" or "angel caller" because of the belief that the sound could attract guardian angels to protect both mother and child.

Similar beliefs existed in other parts of the world. In Indonesia, women often wore bola-like jewelry, which, like in Mexico's indigenous societies, was meant to ensure safety for both mother and child. Although the cultural roots may vary, the common theme is protection for those who wear the bola.

The modern bola: Special jewelry during pregnancy

Today, the bola is not only a symbol of tradition and protection, but also a beautiful and meaningful piece of jewellery that creates a very special experience during pregnancy. Modern pregnancy bolas are often worn on a long chain so they rest on the pregnant belly. When the mother moves, the bola creates a soft, soothing chime that both mother and baby can hear. Bolas are becoming an increasingly popular gift for expectant mothers, often given by the father, partner, or family to celebrate the pregnancy.

See our selection of bolas here

The science behind the bola’s effect

The importance of sound is something science has taken a closer look at today. Studies show that the fetus can start hearing sounds from outside as early as around the 18th week, and by around the 25th-26th week, the fetus can begin to distinguish between different sounds. 

Sound therapy has long been used as a method to reduce stress and create calm. The same idea lies behind the use of pregnancy bolas. It is scientifically proven that continuous and recognizable sounds can have a calming effect. For a fetus, the recognizable chime of the bola can create a sense of security and stability, which the child can recognize after birth. Many mothers find that the baby becomes calmer after birth at the sound of the bola, which is because the baby associates the sound with the safe time in the womb.

After birth: A familiar sound for your baby

After the birth, the bola can continue to play a role in everyday life. When it’s worn by the mother or kept close to the baby, the sound is recognizable and can have a calming effect, especially in the first months. It works a bit like a “sound bridge” between life in the womb and the new world outside.

Many mothers use the bola in little rituals when comforting their newborn, or as part of the bedtime routine to give the baby a sense of familiar safety. In this way, the piece of jewelry becomes more than just decoration – it becomes an important part of the connection between mother and child, both before and after birth.

Although the bola is traditionally a necklace, there are now also bola bracelets that can be used by both mom and dad. In the daily tasks with a little baby, a beautiful bracelet with the familiar sound can be a wonderful way to create a connection.

See our selection of bola bracelets for mom and dad here

A meaningful gift for the mum-to-be

Beyond the cultural and scientific aspects, a pregnancy bola is also a thoughtful gift for the mum-to-be. The piece represents a beautiful symbol of the bond between mother and child and becomes, for many, an indispensable keepsake of the pregnancy. Today, bolas are available in many designs and materials – from gold-plated silver to simple wooden designs, as a necklace or bracelet – and can thus be adapted to different styles and tastes.

See our gifts for mum here

An experience that goes beyond pregnancy

The pregnancy bola is therefore more than just a piece of jewellery. It carries a story of protection and care, combined with modern scientific insights into how sounds affect the fetus. It’s a piece of jewellery that not only strengthens the bond between mother and baby during pregnancy, but can also bring comfort and calm afterwards. The bola is an elegant and meaningful way to celebrate the special bond that begins already while the baby is still in the womb.