A new survey suggests that men find women more attractive when they’re most fertile. This suggests that hormonal shifts can cause facial and vocal changes which makes them more attractive. In the largest study yet to look at whether a woman's attractiveness changes over the course of her menstrual cycle scientists noted that ratings of attractiveness were related to hormonal shifts which bring about various physiological and behavioural changes. Researchers took photographs of 202 women's faces and made recordings of their speaking voices at two points in their menstrual cycles. Saliva samples were also taken to measure hormone levels. More