implantation or period

Monica

period came 3/4 days early. i been gassy, cramping, no appetite but when im hungry I dont want the food. been feeling fatigue lately. havent been able to sleep some nights. my 1st day started off spotty then had red and brown. 2nd day red and brown but a medium flow. next day light with red and brown. today redishbrowm spotting. period was due 1/12 or 1/13. should i take this as my period early or possibly implantation?