Patient's question:
NoDoctor's answer:
Most intrauterine devices (IUDs) used in clinical practice are copper-containing or drug-releasing IUDs, with materials such as plastic, polyethylene, and memory alloys. Their shapes are not uniform, including circular, T-shaped, V-shaped, Y-shaped, and chain-like forms. Different materials and shapes of IUDs have their own characteristics, making them suitable for women with different physiques and needs.