There are a couple of things that can cause your period to be significantly light or short. First of all, you might be genetically predisposed to shed less blood. Many women always have short, light periods, and that’s just normal for them. As women age, their periods can change as well, and may become less heavy than they used to be just because their bodies are getting older. However, the most common cause for a scanty period is simply a hormonal imbalance.If you have the Symptoms of Irregular Menstruation (Period)--Scanty menstrual flow, we would say herbal medicine is a safe and effective form of treatment. At TCM Window, we offer relaxing treatments and expert guidance through the whole process. We specialize in different kinds of chronic and difficult miscellaneous diseases, we offer the best possible care in a peaceful and welcoming environment. If you would want our expert to create a TCM diagnosis, please fill out the health form as requested.