Do you have questions about sex hormones or menstrual cycles? This is a crash-course in human reproductive health through fact and biology-based information on a variety of topics. "Sex 101" will cover reproductive anatomy, key biological changes during puberty, sexual biology and contraceptive methods, reproductive disorders, and [...]
Sexual reproduction can be defined as the sort of reproduction by which each organism arises from the fusion of two cells. This generally implies, with some exceptions, that each organism has two parents. This description might sound trivial it is however not at all. Before the appearance of sex, [...]
