Rh Factor Crossword Puzzle

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Across
  1. 4. unknown
  2. 5. seventy-two
  3. 7. gestation
  4. 8. immunoglobulin
  5. 14. negative
  6. 16. attack
  7. 17. bleeding
  8. 18. pregnancy
Down
  1. 1. informed
  2. 2. educational
  3. 3. antibodies
  4. 6. incompatibility
  5. 9. miscarriage
  6. 10. fetus
  7. 11. protein
  8. 12. anemia
  9. 13. deltoid
  10. 15. pharmacy