The research aims to study a very important topic, which is the classification of a group of factors affecting maternal mortality at birth, using one of the important statistical methods in classification, which is the hierarchical cluster analysis method, which in turn depends on data analysis and its adoption in classifying factors based on the clusters extracted from the analysis. Cluster analysis has many features and characteristics that facilitate the process of classification and aggregation, consisting of clusters whose vocabulary is similar to some characteristics and differs with the vocabulary of other clusters. Hierarchical cluster analysis can also display clustering results based on tree diagrams that show the steps of clustering, using hierarchical clustering methods (single link method, comprehensive linking method, central linking method, median linking method, hierarchical linking method) from the results of the hierarchical analysis methods. We note that these methods were similar in their results, all of them unanimously agreed that Salah al-Din governorate is the most affected by factors leading to maternal mortality, followed by the northern governorates (Erbil, Sulaymaniyah, Duhok), Anbar, and then the central regions represented by (the Nursing Home and Medical City).
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