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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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shirinnyy shirinnyy
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6 years ago
Menstruation is periodic uterine bleeding:
 
  a. That occurs every 28 days.
  b. In which the entire uterine lining is shed.
  c. That is regulated by ovarian hormones.
  d. That leads to fertilization.
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tqpham21tqpham21
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6 years ago
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shirinnyy Author
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6 years ago
This helped my grade so much Perfect
hannahspillett
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Yesterday
Good timing, thanks!
Mcb
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2 hours ago
this is exactly what I needed
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