Table of Contents

• 1: The reproductive system
• 2: Female reproductive organs
• 3: Male reproductive organs
• 4: Hormones and reproduction
• 5: Puberty for girls
• 6: The menstrual cycle
• 7: Puberty for boys
• 8: Making sperm
• 9: Sexual reproduction
• 10: Fertilisation
• 11: Pregnancy
• 12: Multiple births
• 13: Infertility
• 14: Glossary
• 15: Further information
• 16: Index

About the Author

Sonya Newland has written and edited many books for children and young people, specialising in science, history and the natural world.