What should hCG be at 4 weeks?

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  1. #woman
  2. #about
  3. #pregnant
  4. #missed
  5. #before
  6. #blood
  7. #period
  8. #weeks
  9. #levels
  10. #after
  11. #first
  12. #average
  13. #women
  14. #menstrual