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.
You may go between having a light flow and a heavy flow. You might even skip some months. Your period may be late when you get sick, when you're worried or stressed out about something, or for no reason at all. Most likely your periods and cycles will become more regular as you grow older.