When Baby Joy entered the world weighing just 1.5 kilograms, she was far too small to keep herself warm. Born at 32 weeks in Cameroon to a mother who had not been able to access antenatal care, she arrived already fighting for her life. By the time she reached the health facility, her body temperature had dropped dangerously low. She was too fragile for skin-to-skin care, so providers placed her in a traditional incubator to stabilize her. While the incubator helped regulate