Mariana da Cunha Vieira is a gynecologist specialized in minimally invasive gynecologic surgery, with a strong focus on hysteroscopy, laparoscopy, and robotic surgery. She is actively involved in high-volume referral centers, including Hospital Beneficência Portuguesa, where she performs advanced hysteroscopic procedures, and Hospital Vila Nova Cachoeirinha, a tertiary center recognized for the management of complex endometriosis and advanced pelvic disease. She completed advanced training in hysteroscopy in Naples, Italy, at the referral center led by Professor Attilio Di Spiezio Sardo, and advanced laparoscopic training in Verona, Italy, at the center directed by Professor Marcello Ceccaroni. Her clinical expertise includes the surgical management of uterine pathologies, abnormal uterine bleeding, infertility, adenomyosis, and deep endometriosis. She is actively engaged in teaching and academic activities as a faculty member and instructor in national and international postgraduate and continuing medical education programs in minimally invasive gynecology. She has authored and coauthored peer-reviewed scientific publications, and her research interests focus on pelvic pain mechanisms, uterine neurobiology, and the correlation between clinical symptoms, imaging findings, and histopathological markers. Her professional approach integrates surgical precision, evidence-based medicine, and patient-centered care, aiming to translate high-level science into meaningful clinical outcomes for women.