No more periods

日期:2019-03-06 04:15:15 作者:封麓 阅读:

TWO new pills have been created which could allow women to opt out of having a period. The pills should be available within a few years. Birth control pills, usually a mixture of progesterone and oestrogen, can block menstruation when used continuously. But Robert Brenner of the Oregon Regional Primate Research Center in Beaverton says the new pills could be an alternative for women who do not react well to conventional contraception. The pills supply very low doses of two menstrual suppressants that block progesterone,