4. You’re female
Hormonal changes during menstruation, and pregnancy can increase the chances of having bleeding gums. “There are women who experience a regular hormonal gingivitis associated with their monthly cycle,” says Dr. Doig. “Hormonal changes in pregnancy also increase the risk of developing gingivitis or periodontitis.” If you think that your hormones might be causing your gums to bleed, ask your dentist for advice on how to adapt your oral health routine.