<p>In recent years, the process of selecting implant sizes for breast augmentation has witnessed notable advancements and trends. One significant development is the widespread adoption of 3D imaging technology, which allows for more accurate preoperative planning and visualization of potential outcomes. Surgeons can use these systems to simulate various implant sizes and shapes, helping patients make informed decisions and manage expectations. Moreover, virtual reality and augmented reality technologies have emerged as valuable tools, offering immersive experiences that enable patients to visualize their desired results more realistically. Artificial intelligence algorithms are also increasingly utilized to analyze patient data and provide personalized recommendations for implant size selection, further enhancing the precision and efficiency of the process. Overall, these advancements reflect a shift towards more personalized and patient-centered approaches to breast augmentation, aimed at optimizing outcomes and enhancing patient satisfaction. We focused on a narrative review of the innovations in selecting implant sizes in breast augmentation.</p>