If ill, problems in sexuality, creativity, emotions or in letting go of ‘I want*. See premenstrual tension. ... A Guide to Dreams and Sleep Experiences
1- To dream of menstruation may be linking with the creative side of ourselves which can conceive new ideas and can create new and more wonderful ‘children’ out of simple material. We are linking with the mystery of life and with the procreative drive.
2- Since menstruation is such an integral part of the feminine life, it can indicate in a woman’s dream her acceptance of her own emerging sexuality. In a man’s dream however, it can alert him to his fear surrounding relationships and union with the feminine. It can also indicate his own feminine side and his need to understand his own sensitivity.
3- The Cycle of Life and all that is mysterious in women can be symbolised by menstruation. It is only in a patriarchal society that it is seen as unclean.... Ten Thousand Dream Dictionary