Objectives: This study aims to investigate the factors contributing to Molar Incisor Hypomineralization (MIH), with a focus on maternal health during pregnancy, delivery complications, and postnatal health and nutritional factors in children. Methods: A cross-sectional study was conducted involving detailed surveys completed by mothers regarding their health during pregnancy, delivery experiences, and their children's early health and nutritional history. Clinical examinations of the children were performed to diagnose MIH according to established criteria. Statistical analyses were conducted using IBM SPSS 29.0, including descriptive statistics and correlation analyses to identify associations between MIH and various maternal and child health factors. Results: The study found that 36.7% of mothers experienced illnesses during pregnancy, with gestational diabetes and hypertension being t...