Im 14 and strted my period 2months ago nd aftr my last 1 i used a vibrator wich i wiped but i missed my ped ?

i missed this months period but i wiped the vibrator first but i only strted 2 months ago so wonderin wether its just summat to do with my cycle or pregnant:S please help cnt tell mum she tld me if i ever got pregnant shed kick me out im scared n alone pleese dont judge me