Emphasized the study conducted by researchers at the Institute of Knzi reported (UPI) that the brains of women more active at the stage of menstruation and that women prefer a man in the hopes of the latest features and face during menstruation than at other times.

The researchers used electronic imaging technology on your computer in order to make the faces of 56 men appeared to be more masculinity or femininity, and then presented the pictures of 12 women with normal sexual orientation in the twenty-fifth is coming to a period of menstruation and during the period that followed, according to the newspaper "Al "

The samples were taken for analysis of hormones and subjected to brain MRI scan to determine the activity in different regions of the Odmgthn during this period.

The analysis found that women Angzbn more faces to show the features of masculinity than those in which the feminine features.