The letters IUD stand for “intrauterine device.” IUDs are small, “T-shaped” devices made of flexible plastic. A health care provider inserts an IUD into a woman's uterus to prevent pregnancy. There are two brands of IUD available in the United States — ParaGard and Mirena. The ParaGard IUD contains copper. It is effective for 12 years. The Mirena IUD releases a small amount of progestin, a hormone. It is effective for five years. Read more:https://www.thewomenschoice.com/iud/ Professional Gynecological Services 14 Dekalb Ave, 2nd Floor, Brooklyn, NY 11201 (718) 875-4848 https://www.thewomenschoice.com/ https://www.thewomenschoice.com/downtown-brooklyn-gynecologist-nyc/ Google maps: https://goo.gl/maps/FVeCkjLkTZNiu5c16 https://plus.codes/87G8M2Q9+W3 Brooklyn Nearby Locations: Downtown Brooklyn | Clinton Hill | Prospect Heights | Gowanus | Cobble Hill 11201| 11238 | 11217 Working Hours: Monday: 9 AM - 5:45 PM Tuesday: 9 AM - 4:45 PM Wednesday: 9 AM - 5:45 PM Thursday: 9 AM - 4:45 PM Friday: 9 AM - 4:45 PM Saturday: 9 AM - 11:30AM Sunday: Closed Payment: cash, check, credit cards.