Since 2005, the number of mobile phone subscriptions more than tripled from 2 billion to almost 7 billion. The penetration rate in developing countries is nearly 90 percent. The ubiquity of mobile devices, even among the poorest, presents an opportunity for improving health and lives in some of the most isolated places on the planet.
Baby Monitor is innovative because it targets hard-to-reach patients as end-users of a mobile screening and referral service. To date, mobile applications largely have been used to send patient reminders and health information, to collect patient information through intermediaries such as community health workers, and to provide intermediaries and other medical providers with mobile decision support. Patients in developing countries have not been end-users of mobile screening tools and medical record systems.