Advances in contraception: vaginal contraceptive rings

Author:

Al-Haddad Sara1,Branham Ki’ara K. R.2,Clare Camille A.3

Affiliation:

1. Department of Obstetrics and Gynecology, Downstate Health Sciences University, 450 Clarkson Avenue, Brooklyn, NY 11203-2098, USA

2. Department of Obstetrics and Gynecology, Meharry Medical College, Nashville, TN, USA

3. Department of Obstetrics and Gynecology, Downstate Health Sciences University, Brooklyn, NY, USA

Abstract

The vaginal contraceptive ring is very effective and user dependent. In this article, we will discuss the different types of vaginal contraceptive rings, namely, the etonogestrel/ethinyl estradiol (ENG/EE) ring (NuvaRing, Merck, Rahway, NJ, USA) and the segesterone acetate (SA)/EE (Annovera, Mayne Pharma, Raleigh, NC, USA) ring. The details of dosing and administration, indications, advantages, disadvantages, and cost-effectiveness are presented. This literature review was conducted using PubMed and Google Scholar. The search terms included ‘vaginal contraceptive ring’, ‘etonogestrel/ethinyl estradiol ring’, and ‘segesterone acetate/ethinyl estradiol ring’. The search was then sorted by year from 2000 until present, and the most recent articles were reviewed. The purpose of this article is to provide a comprehensive reference on the two vaginal contraceptive rings widely used in the United States for clinicians to guide management. Both vaginal contraceptive rings are combination of hormonal contraceptives that suppress ovulation and create physiologic conditions unfavorable for pregnancy. The ENG/EE ring is designed to be replaced monthly, while the SA/EE ring is a single device used over the course of 1 year. Common side effects of both devices include headaches, nausea, vomiting, and vaginitis. Serious adverse reactions can occur with the vaginal contraceptive rings including venous thromboembolism, psychiatric events, and hypersensitivity. Both devices are contraindicated in patients at high risk for arterial or venous thrombotic events, patients with a history of breast cancer or other estrogen/progesterone cancers, and patients with severe liver disease. Overall, the vaginal contraceptive ring is well tolerated and liked by patients. Patients should be well counseled on known severe adverse reactions. The vaginal contraceptive ring is more expensive than other forms of contraception and this should be an important point of discussion with patients.

Publisher

SAGE Publications

Subject

General Medicine

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