How 'cord blood’ is helping bone marrow transplant research

In a "GMA" series that focuses on bone marrow donation, Robin Roberts, who received a life-saving donation herself, speaks to a doctor about "cord blood," a new advancement saving lives. READ MORE: https://gma.abc/3gdQ8nb SUBSCRIBE to GMA's YouTube page: https://bit.ly/2Zq0dU5 SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j VISIT GMA's homepage: https://www.goodmorningamerica.com FOLLOW GMA: TikTok: https://tiktok.com/@gma Instagram: https://instagram.com/GoodMorningAmerica Facebook: https://facebook.com/GoodMorningAmerica Twitter: https://twitter.com/gma #GMA #bonemarrowaspiration