Mom on Pill Has Twins—Twice
Docs say odds are over 11 million to one
By Rob Quinn,  Newser Staff
Posted Feb 2, 2009 8:26 AM CST
British woman Carly O'Brien poses with her two sets of twins, both conceived while she was on contraceptive pills.   (Daily Mail)

(Newser) – A British woman has given birth to her second set of twins conceived while on birth control pills, the Daily Mail reports. Doctors say the odds are more than 11 million to one. Carly O'Brien—who switched to a stronger pill after the first pair came along—says she was shocked to discover she was pregnant again, but she's delighted to have four beautiful children.