Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

MHR publishes articles on the basic science of human reproductive physiology and pathology, endocrinology, andrology, gonadal function, gametogenesis, fertilization, embryo development, implantation, ...

As commercial spaceflight draws ever closer and time spent in space continues to extend, the question of reproductive health beyond the bounds of planet Earth is no longer theoretical but now ...