A new contraceptive microneedle patch can be applied in seconds by the woman and lasts for up to a month.
Developed by a team from Georgia Tech, the inexpensive patch delivers the drug levonorgestrel, which is slowly released over the course of the month. The microneedles break off easily once the patch is applied, thanks to tiny air bubbles in their tops, and the polymers making up the needles break down harmlessly in the body over time.
The patch has already been successfully tested on laboratory rats, and the team will soon be testing a larger patch designed for humans as well as a version able to deliver the contraceptive for up to six months.
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