When your son begins to have ejaculations, he is sexually mature. He should learn about how fertilization happens and be introduced the sexual centers in the brain.
This ebook answers these questions for your son.
- When are boys and girls sexually mature?
- How do sperm find an egg?
- What is fertilization?
- What are XX and XY chromosomes?
- What are sexual centers in the brain?
- Friendship with girls.
Dr. M uses colorful and accurate illustrations to teach your son about fertilization.
Here are a few pages from this ebook: