Some women's gums bleed and get quite vulnerable when they proceed through menstruation or hormonal changes during puberty. It is possible to eliminate this issue by using oral contraceptive if that is your event. Go to the dentist to be sure gum diseases do not cause the bleeding. See an experienced dentist for help in such a condition such as the best of Mission Viejo Dentist.
Wash all the areas of the teeth. Bacteria love to hide at the invisible parts of the teeth, although lots of people believe they only need to clean the surfaces which can be visible.