This masterclass provides a complete overview of contained in-bag morcellation for laparoscopic myomectomy and hysterectomy. It begins with the scientific evidence, international guidelines, and the historical events that transformed morcellation practice worldwide. The video explains the advantages of contained morcellation, addresses common misconceptions, and discusses patient counselling and informed consent. Detailed operative demonstrations show bag deployment, contained morcellation, troubleshooting, and specimen retrieval using different techniques. Alternative approaches for large fibroids and difficult situations are also presented. This is a comprehensive educational resource for gynecologic surgeons who wish to perform safe, evidence-based contained morcellation.