Which of the Following Statements Most Accurately Describes the Effect

Which of the following statements most accurately describes the effect of pregnancy on the health of the mother's oral tissues?

A) Pregnancy-associated gingivitis is caused by hormonal changes, and nothing can be done about it
B) Pregnant women can often experience the growth of tumors in the mouth that relate to hormonal changes
C) Hormonal changes during pregnancy result in increased bacteria and increased gingival response to plaque biofilm
D) Pregnancy results in hormonal changes, but these changes do not affect the mother's oral tissues