Among women who are at risk of delivering prematurely, treatment with magnesium sulfate reduces the risk of cerebral palsy in the offspring,
63 women would need to be treated to prevent one case of cerebral palsy, according to findings reported in a January 21st online publication by The Cochrane Library.

Link:http://www.reuters.com/article/healthNews/idUSTRE5155CC20090206
Source:Reuters