Michelangelo secretly painted a common women's health condition into his Sistine Chapel masterpiece. So, can you spot it?

 

     

Every year, around five million people flock to Rome to visit the Sistine Chapel. The chapel - Cappella Sistina in Italian - is known for the stunning frescoes that decorate its ceiling, which were painted by Michelangelo between 1508 and 1512. Despite their worldwide fame, scientists are still spotting new details in his works.