Partner selection ultimately happens in the woman’s reproductive tract
The female reproductive tract has the final say in human mate choice, according to new research from the University of Eastern Finland.
Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to choose HLA dissimilar reproductive partners. Earlier studies have demonstrated that HLA dissimilarity preferences are mediated either by body odours or facial preferences. However, it has been unclear whether HLA-based mating preferences could occur after sexual intercourse in the