Chronicle of Higher Education, Oct. 17, 2008 by Mary Ann Mason
http://chronicle.com/jobs/news/2008/10/2008101701c.htm

“Women who do pursue careers in academic science pay a high price for playing the game. Nationally, “married with children” is the academic-success formula for men, but the opposite is true for women, for whom there is a serious “baby gap.” Among scientists who achieved tenure, 72 percent of the men are married with children as opposed to only 50 percent of women. Is that gender equity?”