I Knew It!

Women dress to impress when they are at their most fertile, U.S. researchers said on Tuesday in a study they say shows that signs of human ovulation may not be as mysterious as some scientists believe.

A study of young college women showed they frequently wore more fashionable or flashier clothing and jewelry when they were ovulating, as assessed by a panel of men and women looking at their photographs

Link.

Men who practice NFP find themselves more attracted to their wives during ovulation periods. So I hear, anyway (heh heh heh). I thought maybe it was some sort of biological vibe. Turns out, the little tarts are just dressing more alluringly.