Clots themselves do not cause pain, but they usually appear when bleeding is heavy and dense and this can influence menstrual pain. Both pain and the appearance of clots can be symptoms of increased vaginal bleeding.
Read the full article on: Why do blood clots occur during menstruation? ( 84).
Andrea Rodrigo
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.