After male volunteers were randomly assigned to smell either one of the worn shirts, or a new unworn one, saliva samples showed an increase in testosterone in those who had smelled a shirt worn by an ovulating woman.
Pasi meshkuj vullnetare u caktuan ne menyre rastesore per te nuhatur njeren nga bluzat e veshura, ose nje te paveshur, shembuj te peshtymes treguan  nje rritje ne testosteron ne ata qe kishin nuhatur bluzat  e veshura nga femrat ne ovulim.