Level 2: 1. What are the effects of induction cooker radiation on pregnant women? 2. How to reduce the impact of induction cooker radiation on pregnant women? 3. What should pregnant women pay attention to when using induction cookers? 4. Does induction cooker radiation affect the fetus? 5. Is it safe to use induction cookers during pregnancy? 6. How to choose an induction cooker suitable for pregnant women? 1.Electromagnetism