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Oct 17 : Women can now kiss the unpleasant side effects of the Pill goodbye as a revolutionary contraceptive patch is being developed.

Preliminary experiments with a gene-silencing technique called RNA interference (RNAi) have shown that it has the potential to block the production of a sperm-binding protein on the surface of egg cells in mice and humans, raising hope that this method may one day translate into an entirely new type of contraceptive.

Zev Williams of Brigham and Women’s Hospital in Boston, Massachusetts, US, says that the approach will help avoid the harmful side effects caused by hormonal birth control pills that may include weight gain, mood swings, and dangerous blood clots.

He stressed the need for further improvement in the contraception methods, suggesting that barrier methods such as condoms can reduce physical sensation, while intrauterine devices (IUDs)

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