Contraceptive vaginal ring: Nuvaring

For more than four decades ago, researchers began developing Vaginal contraceptive rings characterized by two guiding principles: the ability vaginal epithelium is made up of a layer of cells that line within the structure vaginal canal ingest the application of steroid ability of elastomers to release hormones at a virtually constant rate. Only two kinds of contraceptive vaginal rings (CVRs) it has been completed to market: Nuva Ring, a combination ring that distributes etonogestrel (ENG) and ethinyl estradiol (EE), and Progering, a progesterone-releasing ring for nursing women. The main benefits CVRs are a type of efficacy (tablets are comparable to or slightly superior to), simple to use (no need to remember aa regular schedule), user control over initiation and removal, release rate that is practically constant allowing for flexibility low dosage, greater bioavailability, and excellent cycle control because of the integrated ring. CVRs can produce cervical bleeding and complaints, band expulsion is typical, the ring can During coitus, in addition vaginal implantation can be painful for certain women. CVRs are completely safe, efficacious, Women find it quite appealing, in conformity with studies discussed in this work. CVRs are without a doubt a novel, very efficient contraception for women, expanding their hormonal contraception options.