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Levonorgestrel (LNg) IUD

Levonorgestrel (LNg) IUD

Overview

The levonorgestrel (LNg) intrauterine device (IUD), Opens dialog releases small amounts of levonorgestrel, a form of progesterone, Opens dialog, into the uterus, Opens dialog each day. This type of IUD reduces cramping and heavy menstrual bleeding. And it is a highly effective method of birth control, Opens dialog.

Hormonal IUDs prevent pregnancy for 3 to 5 years, depending on which IUD is used.

How well does it work?

Most women have a significant decrease in uterine blood loss with the LNg IUD. Some studies report up to a 95% reduction in blood loss.footnote 1 Increased spotting during the first couple of months is common, followed by less bleeding thereafter.

What are common side effects?

The LNg IUD can reduce menstrual bleeding and cramps and, in many women, eventually cause menstrual periods to stop altogether. In this case, not menstruating is not harmful.

The LNg IUD may cause hormonal side effects similar to those caused by oral contraceptives.

  • Breast tenderness
  • Mood swings
  • Headaches
  • Acne

These side effects are not common. But if they do happen, they usually go away after the first few months.

Information about Levonorgestrel (LNg) IUD

Current as of: April 30, 2024

Author: Ignite Healthwise, LLC Staff

Clinical Review Board
All Ignite Healthwise, LLC education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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