The total number of worldwide abortions decreased between 1995 and 2008 to a rate of about 28 per 1,000 women, a new study has found, but nearly half of worldwide abortions in 2008 were deemed to be "unsafe."  The study, which was published in The Lancet, defined "unsafe" any abortion performed by an untrained person in an environment that does not meet minimal medical standards. reports: