1 / 4   It was an incredible moment for this newborn’s family, as this deaf baby heard the sound of her mother's voice for the first time last Friday. /Instagram @theblushingbluebird Photo

2 / 4   Baby Charly was born profoundly deaf in August, meaning she is unable to hear any sound below 95 decibels in her better ear. Charly’s parents have been working on a solution since then and were finally able to get hearing aids for little Charly. /Instagram @theblushingbluebird Photo

3 / 4   When she heard her mother, Christy Keane, saying “Hi” for the first time, Charly’s face lit up with a beautiful smile. Christy said in an Instagram post that she had never seen that kind of expression on her daughter’s face before. /Instagram @theblushingbluebird Photo

4 / 4   Although this happened in the US, an estimated 30,000 babies in China are born with a hearing impairment each year. /Instagram @theblushingbluebird Photo