Machine translation in healthcare: Navigating the accuracy maze

Machine translation has come a long way in breaking down language barriers, but when it comes to specialized domains like healthcare, the accuracy of translation becomes a critical concern.

At Care to Translate, we understand the profound impact of accurate communication in healthcare, especially when language barriers come into play. In this blogpost we want to discuss the critical importance of precise translation in the healthcare domain and factors we consider when developing our digital translator to facilitate patient-doctor interactions when human interpreters are unavailable.

The importance of accuracy in healthcare

In the world of healthcare, accuracy is paramount. Miscommunication or misinterpretation of medical information can have dire consequences. This is where machine translation steps in to facilitate communication between patients and healthcare providers who may not share a common language. However, ensuring that translations are accurate and reliable is a complex task.

Factors affecting machine translation accuracy in healthcare

  • Specialized terminology
    Healthcare is full of specialized medical jargon and terminology. Machine translation models may struggle to accurately translate these terms, as they often lack context.

  • Context sensitivity
    Context plays a pivotal role in translation accuracy. Medical phrases often require an understanding of the broader context to provide accurate translations. Machine translation models need to recognize the context in which medical terms are used to generate precise translations.

  • Language Families
    Languages within the same family share similarities, making translation more straightforward. However, healthcare translation often involves languages from different language families, which can pose additional challenges due to structural and lexical differences.

  • Training data quality
    The quality and quantity of training data used to train machine translation models are crucial. Models trained on a diverse and extensive healthcare corpus are more likely to produce accurate translations.
  • Promoting and fine-tuning
    Fine-tuning machine translation models on healthcare-specific data can significantly improve accuracy. Customizing models for healthcare contexts allows them to better understand and translate medical texts.
  • Post-Editing
    Human involvement through post-editing can be necessary to ensure the highest level of accuracy, especially in critical healthcare documents.

  • Neural Machine Translation (NMT)
    The shift from rule-based to neural machine translation has greatly improved translation quality. NMT models excel in capturing context, which is essential in healthcare translations.
  • Cultural Differences in Expression
    Cultural nuances can greatly affect how health-related concerns are expressed. Machine translation must account for these differences to provide culturally sensitive and accurate translations.
  • Communication styles
    Varying communication styles across cultures, including levels of directness and formality, must be understood and respected by machine translation models for appropriate message delivery.
  • Training data diversity
    To account for cultural and linguistic diversity, machine translation models must be trained on a wide range of texts from different regions and cultures, not just standardized medical terminology.

Additional requirements on the user

Using machine translation tools also adds a layer of requirements and skills on the user. This is particulatly important in a specialized field such as healthcare:

  • Importance of prompting
    Correct prompting is crucial when using machine translation tools. Healthcare professionals must input clear and specific queries to obtain accurate translations. Vague or imprecise prompts can lead to misunderstandings.

  • Simplifying complex medical terms
    Patients may not always understand complex medical terminology. Healthcare providers need to adjust their language to communicate effectively. Machine translation should prioritize clarity and simplicity when converting medical jargon into layman's terms.

  • Cultural competence
    Healthcare providers must be culturally competent to navigate sensitive topics and ensure patient trust. Machine translation should support this by recognizing and respecting cultural norms and preferences.

  • Human oversight
    Even with advanced machine translation, human oversight remains essential. Healthcare professionals should review translations to verify accuracy and cultural appropriateness.


In healthcare, machine translation is not just about language; it's about understanding and respecting the cultural and communication nuances of patients from diverse backgrounds. 

Accurate translation hinges on cultural sensitivity, clear prompting, and the ability to simplify complex medical terms for patient comprehension. As healthcare providers and technology continue to collaborate, the goal remains the same: to ensure that accurate and culturally appropriate information is accessible to all patients, regardless of their linguistic and cultural backgrounds.

At Care to Translate, we are committed to enhancing healthcare communication and breaking down language barriers that can hinder patient-doctor interactions. Our digital translator empowers healthcare providers to communicate effectively with patients from diverse linguistic backgrounds, fostering trust and ensuring that every patient receives the care they deserve. 

Together, we can make healthcare accessible to all, regardless of language or cultural differences.