I don't think that statement is supported by the facts; for example, only 6 of more than 100 Nobel Prize winners in Medicine are women[0].
[0]http://en.wikipedia.org/wiki/List_of_Nobel_laureates_in_Phys...
[0]http://en.wikipedia.org/wiki/List_of_Nobel_laureates_in_Phys...
Many medical schools have female enrollments in the 40-50% range.