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  1. I Think I Had My First Period. How Can I Be Sure? - KidsHealth

  2. Period Blood Color Chart: Black, Brown, Bright Red, and More

  3. First period: Early signs, how long it lasts, and self-care tips

  4. What does the color of period blood mean? - Medical News Today

  5. What Does Each Period Blood Color Mean? - March Health

  6. What Does Your First Period Look Like? - Always

  7. Period Blood Color: A Complete Overview

  8. What to Know About the Color of Period Blood - WebMD

  9. What Does the Color of Your Period Mean? - Cleveland Clinic …

  10. Period Blood Color: Black, Born, Bright Red, and More - Verywell …