Interactive Kahoot quiz on reproduction
Youtube animation showing fertilisation.
Page from Biotopics includes diagrams of systems and information on menstrual cycle.
Simple interactive labelling exercise from kscience. Follow the link at the top for the male version.
Page of information comparing sexual and asexual reproduction.
BBC news article about a very rare case of superfetation – where a woman became pregnant again 10 days after the original pregnancy. The babies were born at the same time.