'Morning-After' Pill Is Good the Day of, Too

Early indicators are it's more effective than condoms, but lags behind patch, pill
By Polly Davis Doig,  Newser Staff
Posted Mar 9, 2011 2:30 PM CST
The "Plan B" pill might just work the day before, as well as the morning after.   (AP Photo/Barr Pharmaceuticals Inc.)
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(Newser) – The morning-after pill might need a new name after a study that finds it's fairly reliable as regular old, non-emergency birth control, reports Time. In a review of previous studies of 8,400 women, only about 5% who took the morning-after pill around the time they had sex over the course of a year stood to get pregnant; that compares with a 16% chance with condoms.

That's not as effective as the patch or conventional birth control pills, but might be suited to women who don't want to be on birth control all the time. The morning-after pill leans on high doses of levonorgestrel, a synthetic form of estrogen that blocks ovulation, which might not make it ideal for long-term use.

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