Light bleeding after your last menstrual period (LMP) can have various causes and may or may not be considered a period. It could be implantation bleeding, which occurs when a fertilized egg attaches to the uterine lining. Implantation bleeding is usually lighter and shorter than a regular period. Another possibility is breakthrough bleeding, which can happen due to hormonal changes or fluctuations in birth control use. Stress, changes in weight, or certain medical conditions can also cause irregular bleeding. If you are concerned about the light bleeding you experienced, it's best to consult with your healthcare provider who can evaluate your specific situation and provide appropriate guidance.