Drinking period blood is understood as the reception of relief from a burden or the shedding of a concealed transgression. This dream signifies an internal process of letting go rather than an acquisition of new power. It does not denote a physical ailment or a loss of vitality.
The act of drinking period blood settles the movement of a hidden struggle into a state of resolution. A cleansing of the spirit occurs through this consumption. This dream marks the cessation of an old strain.
For its more general meaning: Dream about period blood
I was eating my own menstrual blood while going to give an exam
Dear Reader,
Your dream is an indication for pursuit, doubt and balance. This dream expresses you may need to divert your energies to different pursuits. Doubting about something is perfectly normal and sometimes even recommended. You are trying to balance your intellectual/mental nature with your physical nature.