What's wrong with my period?

i'm having trouble with my period it has been a month since i was last on my period, i last started on december 28th and on january 28 and even now i havent even started on my period yet and i cant ask my stepmom cause she says its cause i'm taking baths instead of showers i dont remember what she says the showers do when ur pmsing or whatever it's been 4 days and i havent even started this month. whats wrong with my period?