Federal poverty level income limits for the current year are displayed by state at the United States Department of Health and Human Services website. The same income limits apply in all 48 contiguous states, including the District of Columbia. However, limits are different in Alaska and Hawaii.
A lighter period than normal can be caused by many things, including pregnancy, stress, illness, and other things. Sometimes a woman will have spotting and think her period is about to start and not see any more bleeding. This is usually implantation bleeding that has been mistaken for a menstrual cycle.
Likely the amount of your menstrual flow will vary each day during your period. Some days will be lighter and some days will be heavier. It is a good idea to match your menstrual flow with the absorbency of your tampon or pad. This will also influence how often you need to change.