Generating High Quality Synthetic Data for Dutch Medical Conversations

• URL: http://arxiv.org/abs/2604.09645v1
• Date: Wed, 25 Mar 2026 10:27:12 GMT
• Title: Generating High Quality Synthetic Data for Dutch Medical Conversations
• Abstract summary: We present a pipeline for generating synthetic Dutch medical dialogues using a Dutch fine-tuned Large Language Model.<n>The dialogues were evaluated through quantitative metrics and qualitative review by native speakers and medical practitioners.
• Score: 0.7464649333825819
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Medical conversations offer insights into clinical communication often absent from Electronic Health Records. However, developing reliable clinical Natural Language Processing (NLP) models is hampered by the scarcity of domain-specific datasets, as clinical data are typically inaccessible due to privacy and ethical constraints. To address these challenges, we present a pipeline for generating synthetic Dutch medical dialogues using a Dutch fine-tuned Large Language Model, with real medical conversations serving as linguistic and structural reference. The generated dialogues were evaluated through quantitative metrics and qualitative review by native speakers and medical practitioners. Quantitative analysis revealed strong lexical variety and overly regular turn-taking, suggesting scripted rather than natural conversation flow. Qualitative review produced slightly below-average scores, with raters noting issues in domain specificity and natural expression. The limited correlation between quantitative and qualitative results highlights that numerical metrics alone cannot fully capture linguistic quality. Our findings demonstrate that generating synthetic Dutch medical dialogues is feasible but requires domain knowledge and carefully structured prompting to balance naturalness and structure in conversation. This work provides a foundation for expanding Dutch clinical NLP resources through ethically generated synthetic data.

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