What is Norplant System (levonorgestrel intrauterine system)? Levonorgestrel is a female hormone that can cause changes in your cervical mucus and uterine lining, making it harder for sperm to reach the uterus and harder for a fertilized egg to attach to the uterus.

Levonorgestrel-releasing implant is 99–99.95% effective at preventing pregnancy, and is one of the most reliable, though not the most available, forms of birth control.

2021年7月12日 · Norplant System (levonorgestrel) Implants is a hormonal contraceptive used to prevent pregnancy. What Are Side Effects of Norplant? Common side effects of Norplant include: uterine enlargement. Side effects of the removal of Norplant include: lengthy removal procedure.

2025年2月25日 · Learn about the side effects of Norplant System (levonorgestrel), from common to rare, for consumers and healthcare professionals.

Norplant is a type of long-acting, reversible birth control designed to prevent pregnancy for up to five years. Implanted just under the skin in the upper arm, it slowly releases a hormone called levonorgestrel—a form of progestin—to stop ovulation and prevent conception.

2017年8月20日 · Norplant is a progestin contraceptive implant, consisting of six small plastic rods. These are surgically placed under the skin of the upper arm for up to five years, during which time the rods slowly release progestin into the body.

Norplant consists of six soft, flexible Silastic tubes, each containing levonorgestrel (LNG, the same progestational agent found in LoOvral), and implanted just below the skin of the inner, upper arm.

2025年1月7日 · Learn about Norplant uses, dosage, side effects, food interactions, and more. Get all the details about Norplant from MedicinesFAQ.

Implanon (etonogestrel) and Norplant System (levonorgestrel) are contraceptive implants used to prevent pregnancy. Implanon is used to prevent pregnancy for up to 3 years, and Norplant is used to prevent pregnancy for up to 5 years.

Norplant offers long-term contraception through the use of subdermal capsules filled with levonorgestrel. The six capsules are implanted in the inside part of the upper arm. The levonorgestrel is released from the capsules gradually, providing contraception for about 5 years.