If women aren't going into technology and science career fields, it is not because they lack math apptitude. New research finds no difference between the average math scores of boys and girls in the grades 2 through 11. You can find a link to the study here, along with some interesting commentary on it at the Chronicle of Higher Education:

http://chronicle.com/wiredcampus/article/3191/girls-as-good-as-boys-at-math-study-finds?utm_source=at&utm_medium=en