The ring has many of the benefits of injectables and implants, but, unlike these methods, is still under the control of the woman who can reverse its effects immediately by removing the ring herself. The progestogen-only releasing rings are left in the vagina continuously for the lifespan of the device, usually 5 months. Since they release only progestogen, the major problem is the erratic bleeding patterns associated with the use of all progestogen-only methods. This releases 20 microgram levonorgestrel at a steady rate over 24 hours with a lifespan of 5 years. As it produces a dramatic decrease in menstrual blood loss, it is extremely useful in the management of menorrhagia.
Trials are about to start on a progestogen-releasing gel.
This is rubbed into the skin of the abdomen every day. At present, levonorgestrel in a dose of 0.75 mg given within 72 hours of unprotected intercourse is being studied. At present, a dose of 0.75 mg levonorgestrel in Australia would require taking 25 tablets of the 0.03 mg mini-pill. Conclusion Progestogen-only methods have been neglected in Australia and many women are unaware of the existence of such methods. It is necessary for medical practitioners to inform women about the existence, advantages and disadvantages of progestogen-only methods so that women can make an informed choice of which method of contraception they wish to use.