Explaining Biology on Instagram: "How an IUD is inserted into the uterus: An IUD (intrauterine device) is a small, T-shaped piece of plastic (sometimes with copper) placed by a trained healthcare provider. During the procedure, a speculum is used to see the cervix, the uterus is gently measured, and the IUD is inserted through the cervical opening into the uterus using a thin applicator. Once in place, the arms open, the applicator is removed, and the IUD sits inside the uterus to prevent pregna