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Related Experiment Video

Updated: Jul 10, 2026

The DREAM Implant: A Lightweight, Modular, and Cost-Effective Implant System for Chronic Electrophysiology in Head-Fixed and Freely Behaving Mice

The DREAM Implant: A Lightweight, Modular, and Cost-Effective Implant System for Chronic Electrophysiology in Head-Fixed and Freely Behaving Mice

Published on: July 26, 2024

The contraceptive implant.

Heather Hohmann¹, Mitchell D Creinin

¹Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15213, USA. hhohmann@mail.magee.edu

Clinical Obstetrics and Gynecology

|November 6, 2007

Summary

The etonogestrel implant offers long-acting, reversible birth control with high effectiveness for three years. While generally safe and beneficial for some conditions, it may cause irregular bleeding.

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Area of Science:

Reproductive Health
Contraception
Endocrinology

Background:

Long-acting reversible contraception (LARC) is a key strategy for preventing unintended pregnancies.
Subdermal implants offer a discreet and effective LARC option.

Purpose of the Study:

To review the characteristics, efficacy, and safety of the etonogestrel contraceptive implant (Implanon).

Main Methods:

Review of clinical data and FDA approval information for Implanon.

Main Results:

Implanon is a highly effective, 3-year reversible contraceptive implant.
It is safe for use during lactation and may improve dysmenorrhea.
Potential side effect includes irregular vaginal bleeding; no significant impact on bone density, lipids, or liver enzymes.

Conclusions:

The etonogestrel implant is a safe and effective long-acting contraceptive option.
It offers benefits beyond contraception, such as improved menstrual symptoms.
Healthcare providers should counsel patients on potential bleeding irregularities.