Researchers in the United States say a trial in which American teenagers
used a vaginal ring to prevent HIV infection has proved successful.
A further such study will now be run with teenagers in Africa.
The girls used a flexible plastic ring, embedded with anti-retroviral drugs, which was changed every month over a six-month period.
A further such study will now be run with teenagers in Africa.
The girls used a flexible plastic ring, embedded with anti-retroviral drugs, which was changed every month over a six-month period.