Kateřina Fiurašková is a PhD student at the Department of Zoology (specialization in Ecology and ethology) at the Faculty of Science, Charles University, where she has also received Master’s degree in Zoology and Bachelor’s degree in Ecological and evolutionary biology. In her dissertation theses she investigates the effect of MHC similarity between partners on fertility. She also deals with the effect of hormonal contraception on partner preferences and the effect of hormonal contraception use during relationship formation on subsequent relationship satisfaction. Her supervisor is Jan Havlíček.