Had light red spots thaen dark brown discharge could i be pregnant?

Yes: If you had an abnormally light period you could be pregnant. Take a pregnancy test.

You could be: The main reason for light periods is change in hormone levels. Causes for what seems to be a light period can include: thyroid problems, eating disorders, excessive exercise, initial periods for a girl, use of an intrauterine device, oral contraceptives, perimenopause & implantation bleeding in early pregnancy which rarely occurs. Take home pregnancy test.