Background: The rapid development of digital technology provides a fundamental new understanding of improving public health by utilizing digitalization, especially in health prevention and promotion. The aim of this systematic review is to determine the effect of E-Health for Early Detection of Emergencies in Pregnancy. Method: This research was conducted using a systematic review referring to the 2020 PRISMA checklist. The article search process used databases sourced from PubMed, Scopus, Cinahl and Science Direct, using keywords and inclusion and exclusion criteria. The literature search used several keywords, namely “digital technology in health”, “digital services”, and “digital public health” in 2012-2022. Results: In searching this journal, researchers found 5 (five) pieces of literature related to digital health services. The research results showed that various digital applications were used to provide health services such as m-health and digital healthcare for pregnant women based on Android which were used to provide pregnancy services, knowledge and attitudes towards weight gain guidelines, weight tracking. Conclusion : Medical applications make smartphones a useful tool in the practice of evidence-based medicine at the point of care, and can also play a very important role in patient education, disease self-management, and remote patient monitoring.