Twin brothers make women less fertile
Testosterone sharing in the womb has knock-on effects.
Any woman with a brother could tell you that boys can be noisy, unruly and annoying. Now it seems that women with twin brothers have an extra reason to complain: they lower her chance of getting married.

Comments
Looks like Brizendine's "The Female Brain" will need an added chapter.
Posted by: greensmile | July 9, 2007 05:45 PM